What is the secret behind so many endemic species in Kerala ?

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J.M. Garg

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Aug 14, 2021, 1:57:01 AM8/14/21
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Dear members,
While browsing through Flora of Peninsular India, I generally found that Kerala is having so many endmics (including narrow endemics with distribution shown in only one place or district) compared to other states like Tamil Nadu and Karnataka etc.
What can be the reason behind it ?
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J.M.Garg

J.M. Garg

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Aug 14, 2021, 3:12:34 AM8/14/21
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J. M. Garg

J.M. Garg

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Aug 14, 2021, 3:12:41 AM8/14/21
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J. M. Garg

---------- Forwarded message ---------
From: Ponnutheerthagiri Santhan <ponsa...@gmail.com>
Date: Sat, 14 Aug, 2021, 12:21 pm
Subject: Re: [itpmods:15849] Fwd: What is the secret behind so many endemic species in Kerala ?
To: <itp...@googlegroups.com>


Unique habitats like Agasthiyamala biosphere, silent valley, Anaimalai with evergreen forest. Another important thing is keen observation on the flora, several taxonomic experts also available in Kerala. Species present in the North east are also available here because of similar climatic conditions.
Thanks & regards
Dr. Santhan P
Industrial R&D expert, Plant taxonomist
Author of the Book "Trees of our Life" Botany, Chemistry, Medicine
9444813474/9620389349







On Sat, Aug 14, 2021 at 11:27 AM J.M. Garg <jmg...@gmail.com> wrote:
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From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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J.M. Garg

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Aug 22, 2021, 2:56:01 AM8/22/21
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---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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J.M.Garg

J.M. Garg

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Aug 22, 2021, 3:35:18 AM8/22/21
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---------- Forwarded message ---------
From: Dr E S Santhosh Kumar <essantho...@gmail.com>
Date: Sun, 22 Aug 2021 at 13:00
Subject: Re: [itpmods:15933] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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With regards,
J.M.Garg

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J.M. Garg

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Aug 22, 2021, 3:35:51 AM8/22/21
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---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sun, 22 Aug 2021 at 13:03
Subject: Re: [itpmods:15933] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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With regards,
J.M.Garg

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With regards,
J.M.Garg


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With regards,
J.M.Garg

J.M. Garg

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Aug 22, 2021, 3:41:03 AM8/22/21
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---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sun, 22 Aug 2021 at 13:08
Subject: Re: [itpmods:15933] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


I somehow have the feeling that only one out of the 10 species published currently, may stand the scrutiny of time and remain as a valid species and not relegated as a synonym.  
I do not know how others feel about it. Hard core taxonomists may give a better estimate. 

On Sun, 22 Aug 2021 at 13:03, J.M. Garg <jmg...@gmail.com> wrote:
Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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With regards,
J.M.Garg

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With regards,
J.M.Garg


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With regards,
J.M.Garg


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With regards,
J.M.Garg

J.M. Garg

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Aug 22, 2021, 4:33:19 AM8/22/21
to efloraofindia
---------- Forwarded message ---------
From: Dr E S Santhosh Kumar <santhos...@gmail.com>
Date: Sun, 22 Aug 2021 at 14:00
Subject: Re: [itpmods:15936] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Yes GargJi, this is what I too felt nowadays 🤣

On Sun, Aug 22, 2021, 13:10 J.M. Garg <jmg...@gmail.com> wrote:
I somehow have the feeling that only one out of the 10 species published currently, may stand the scrutiny of time and remain as a valid species and not relegated as a synonym.  
I do not know how others feel about it. Hard core taxonomists may give a better estimate. 

On Sun, 22 Aug 2021 at 13:03, J.M. Garg <jmg...@gmail.com> wrote:
Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




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With regards,
J.M.Garg

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J.M.Garg


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J.M.Garg

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J.M. Garg

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Aug 22, 2021, 4:44:01 AM8/22/21
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---------- Forwarded message ---------
From: Pankaj Kumar <sahani...@gmail.com>
Date: Sun, 22 Aug 2021 at 14:05
Subject: Re: [itpmods:15937] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


In the past 10 years in Hong Kong, I have merged around 35 new and old species names into existing ones. Imagine, so much work to do. I already have a new list for my next publication. Achievement of a taxonomist is not just publishing new species but also correcting the existing ones.


On Sun, 22 Aug 2021 at 16:30, Dr E S Santhosh Kumar <santhos...@gmail.com> wrote:
Yes GargJi, this is what I too felt nowadays 🤣

On Sun, Aug 22, 2021, 13:10 J.M. Garg <jmg...@gmail.com> wrote:
I somehow have the feeling that only one out of the 10 species published currently, may stand the scrutiny of time and remain as a valid species and not relegated as a synonym.  
I do not know how others feel about it. Hard core taxonomists may give a better estimate. 

On Sun, 22 Aug 2021 at 13:03, J.M. Garg <jmg...@gmail.com> wrote:
Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




--
With regards,
J.M.Garg


--
With regards,
J.M.Garg


--

Pankaj Kumar, Ph.D.
IUCN-SSC Orchid Specialist Group Asia

32, 2nd Floor, Shui Wo Tsuen, Lam Tsuen,

Lam Kam Road, Tai Po, New Territories, Hong Kong S.A.R., China

emailsahani...@gmail.com
Phone: +852 9436 6251 (mobile)

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J.M. Garg

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Aug 22, 2021, 4:44:12 AM8/22/21
to efloraofindia
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sun, 22 Aug 2021 at 14:11
Subject: Re: [itpmods:15937] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Thanks, Pankaj ji.
I also think that is much more important.
Revisionary studies with deep study of a genus with thousands of specimens and hundreds of original literatures/ publications, are much more important. 
It may certainly involve many many years of ones' productive life.  

On Sun, 22 Aug 2021 at 14:05, Pankaj Kumar <sahani...@gmail.com> wrote:
In the past 10 years in Hong Kong, I have merged around 35 new and old species names into existing ones. Imagine, so much work to do. I already have a new list for my next publication. Achievement of a taxonomist is not just publishing new species but also correcting the existing ones.


On Sun, 22 Aug 2021 at 16:30, Dr E S Santhosh Kumar <santhos...@gmail.com> wrote:
Yes GargJi, this is what I too felt nowadays 🤣

On Sun, Aug 22, 2021, 13:10 J.M. Garg <jmg...@gmail.com> wrote:
I somehow have the feeling that only one out of the 10 species published currently, may stand the scrutiny of time and remain as a valid species and not relegated as a synonym.  
I do not know how others feel about it. Hard core taxonomists may give a better estimate. 

On Sun, 22 Aug 2021 at 13:03, J.M. Garg <jmg...@gmail.com> wrote:
Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25
Subject: What is the secret behind so many endemic species in Kerala ?
To: efloraofindia <indian...@googlegroups.com>




--
With regards,
J.M.Garg


--
With regards,
J.M.Garg


--
With regards,
J.M.Garg


--
With regards,
J.M.Garg

J.M. Garg

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Aug 22, 2021, 5:17:42 AM8/22/21
to efloraofindia


--
With regards,
J. M. Garg

---------- Forwarded message ---------
From: Pankaj Kumar <sahani...@gmail.com>
Date: Sun, 22 Aug, 2021, 2:20 pm
Subject: Re: [itpmods:15939] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Please also remember that this issue is not just in Indian plants. I see more in Chinese plants actually !!!



--
With regards,
J.M.Garg


--
With regards,
J.M.Garg


--

Pankaj Kumar, Ph.D.
IUCN-SSC Orchid Specialist Group Asia

32, 2nd Floor, Shui Wo Tsuen, Lam Tsuen,

Lam Kam Road, Tai Po, New Territories, Hong Kong S.A.R., China

emailsahani...@gmail.com
Phone: +852 9436 6251 (mobile)

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J.M. Garg

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Aug 22, 2021, 8:31:26 AM8/22/21
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---------- Forwarded message ---------
From: Tapas Chakrabarty <tcha...@gmail.com>
Date: Sun, 22 Aug 2021 at 17:08
Subject: Re: [itpmods:15940] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Enjoying the discussion!



--
With regards,
J.M.Garg


--
With regards,
J.M.Garg

J.M. Garg

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Aug 22, 2021, 8:31:32 AM8/22/21
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---------- Forwarded message ---------
From: Nidhan Singh <nidhans...@gmail.com>
Date: Sun, 22 Aug 2021 at 17:44
Subject: Re: [itpmods:15941] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>


Quite a learning through this post, and many angles have been presented through the experienced Botanists..
Of course, the habitat speciality is one aspect, but a thorough exploration of the region is to be given credit...
If a mapping or proportionation can be done w.r.t. number of active field workers available per unit land area, southern parts of our country may be well ahead, I think...
Thanks Garg Ji for this interesting query...

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Aug 22, 2021, 11:31:34 AM8/22/21
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--
With regards,
J. M. Garg

---------- Forwarded message ---------
From: Tapas Chakrabarty <tcha...@gmail.com>
Date: Sun, 22 Aug, 2021, 8:10 pm
Subject: Re: [itpmods:15940] Fwd: What is the secret behind so many endemic species in Kerala ?
To: J.M. Garg <jmg...@gmail.com>
Cc: itpmods <itp...@googlegroups.com>


The amount of complicated montane forest ecosystems are probably higher there and they receive more rains also...Some other climatic and other factors may be responsible for this such as extensive explorations. However,  some recent mergers suggest that the actual number of taxa might be somewhat inflated!  
Thanking you. 
Tapas. 

On Sun, Aug 22, 2021, 20:00 J.M. Garg <jmg...@gmail.com> wrote:
Thanks, Tapas ji,
Your are most experienced among us. What do you think?

--
With regards,
J. M. Garg
On Sun, 22 Aug, 2021, 5:08 pm Tapas Chakrabarty, <tcha...@gmail.com> wrote:
Enjoying the discussion!

On Sun, 22 Aug 2021, 14:20 Pankaj Kumar, <sahani...@gmail.com> wrote:
Please also remember that this issue is not just in Indian plants. I see more in Chinese plants actually !!!

On Sun, 22 Aug 2021 at 16:43, J.M. Garg <jmg...@gmail.com> wrote:
Thanks, Pankaj ji.
I also think that is much more important.
Revisionary studies with deep study of a genus with thousands of specimens and hundreds of original literatures/ publications, are much more important. 
It may certainly involve many many years of ones' productive life.  

On Sun, 22 Aug 2021 at 14:05, Pankaj Kumar <sahani...@gmail.com> wrote:
In the past 10 years in Hong Kong, I have merged around 35 new and old species names into existing ones. Imagine, so much work to do. I already have a new list for my next publication. Achievement of a taxonomist is not just publishing new species but also correcting the existing ones.


On Sun, 22 Aug 2021 at 16:30, Dr E S Santhosh Kumar <santhos...@gmail.com> wrote:
Yes GargJi, this is what I too felt nowadays 🤣

On Sun, Aug 22, 2021, 13:10 J.M. Garg <jmg...@gmail.com> wrote:
I somehow have the feeling that only one out of the 10 species published currently, may stand the scrutiny of time and remain as a valid species and not relegated as a synonym.  
I do not know how others feel about it. Hard core taxonomists may give a better estimate. 

On Sun, 22 Aug 2021 at 13:03, J.M. Garg <jmg...@gmail.com> wrote:
Thanks a lot, Santhosh ji.
You have explained the things so well. 

On Sun, 22 Aug 2021 at 13:00, Dr E S Santhosh Kumar <essantho...@gmail.com> wrote:
Dear friends,
The question " What is the secret behind so many endemic species in Kerala? " raised by Gargji has several answers. The first reason has been very well explained by SanthanJi. Secondly, the flora of Kerala has been well explored and documented and every part of the state has been thoroughly explored and the important findings were published in time. There are certain exceptions that  a few new gen botanists described the already known species in many foreign journals as new species again. Sadly in several cases the reviewers never known about it. In the recent climatic change scenario, several ephemerals become annuals or biennials or even perennials through several perennating mechanism. Such species often mistakenly described new during recent times from Kerala. Genera such as Impatiens, Sonerila, Strobilanthes etc are having several species grow together in a biome often have a chance of exchange genes by  interbreeding between them. The F1 generation often having characters of both parents and also possessing certain unique characters of themselves. It is called Nothospecies. Such characters never having a chance of continue over generations. Some of the new gen botanists described such taxa as novelties to science. There are several hidden agenda behind it. Certain exotic species naturalized in Kerala years ago show several ecological traits also described novelties recently.   Unnecessary addition of fictitious novelties increased the number of endemics in Kerala. I have prepared a list of  such 'paper species', but wont like to publish in such a public forum. Let some experts in respective fields should tackle the issue.
Thanks
 

On Sun, Aug 22, 2021, 12:25 J.M. Garg <jmg...@gmail.com> wrote:
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From: J.M. Garg <jmg...@gmail.com>
Date: Sat, 14 Aug 2021 at 11:25


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Pankaj Kumar, Ph.D.
IUCN-SSC Orchid Specialist Group Asia

32, 2nd Floor, Shui Wo Tsuen, Lam Tsuen,

Lam Kam Road, Tai Po, New Territories, Hong Kong S.A.R., China

emailsahani...@gmail.com
Phone: +852 9436 6251 (mobile)

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Pankaj Kumar, Ph.D.
IUCN-SSC Orchid Specialist Group Asia

32, 2nd Floor, Shui Wo Tsuen, Lam Tsuen,

Lam Kam Road, Tai Po, New Territories, Hong Kong S.A.R., China

emailsahani...@gmail.com
Phone: +852 9436 6251 (mobile)

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J.M. Garg

unread,
Aug 22, 2021, 11:31:40 AM8/22/21
to efloraofindia


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---------- Forwarded message ---------
From: Gurcharan Singh <sing...@gmail.com>
Date: Sun, 22 Aug, 2021, 8:39 pm
Subject: Re: [itpmods:15943] Fwd: What is the secret behind so many endemic species in Kerala ?
To: itpmods <itp...@googlegroups.com>
Cc: J.M. Garg <jmg...@gmail.com>


For me things are not that straightforward, comparing new species with endemics. A newly described species over a period of time may be discovered in neighbouring areas also, or merged with already known species from surrounding areas, it is only that author first describes it from a particular region. An endemic on the other hand may have arisen recently (through mutations, or crossing followed by duplication of chromosomes, since hybrids of most diploid species are sterile and perish very soon, unless maintained by vegetative means) and did not get get enough time to spread to similar surrounding areas (neoendemics), or widely spread once but getting restricted due to shrinking of their habitats (Palaeoendemics).  




Dr. Gurcharan Singh
Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.


Enjoying the discussion!



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With regards,
J.M.Garg


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With regards,
J.M.Garg