SM164 Curcuma pseudomontana?

[Sourav Mahmud]

Habit: Rhizomotus

Habitat: Wild

[Prabhu kumar Km]

Dear Souravji,

In case of Curcuma it is very difficult to identify from flower or inflorescence.

On Tue, Aug 26, 2014 at 12:08 AM, Sourav Mahmud <nature...@gmail.com> wrote:

Habit: Rhizomotus

Habitat: Wild

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Prabhu Kumar K M

Scientist 

Plant Systematics & Genetic Resources Division

& 'CMPR' Herbarium
Centre for Medicinal Plants Research (CMPR)

Arya Vaidya Sala, Kottakkal, 

Malappuram - 676 503, Kerala, India

E-mail: prabhum...@gmail.com

[Nidhan Singh]

Dwar Prabhu Ji..
Please let us know, what should be taken care of while taking pics of Curcuma..so that identification can be attempted...or some other things are there which cannot be recorded in pics..

[Ushadi Micromini]

Nidhan has raised an important question

It would be lovely to know about to look for and photograph  for curcuma

and ginger family..

thanks

usha di

On Thu, Aug 28, 2014 at 10:02 AM, Nidhan Singh <nidhans...@gmail.com> wrote:

Dwar Prabhu Ji..
Please let us know, what should be taken care of while taking pics of Curcuma..so that identification can be attempted...or some other things are there which cannot be recorded in pics..

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Usha di
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[surajitkoley]

Before Prabhu Ji intervenes I think the best practice is to dig the rhizome to note its aroma and colour. Besides, checking if the inflorescence is lateral or central.

Thank you

Regards

On Thursday, 28 August 2014 22:21:26 UTC+5:30, Ushadi wrote:

Nidhan has raised an important question

It would be lovely to know about to look for and photograph  for curcuma

and ginger family..

thanks

usha di

On Thu, Aug 28, 2014 at 10:02 AM, Nidhan Singh <nidhans...@gmail.com> wrote:

Dwar Prabhu Ji..
Please let us know, what should be taken care of while taking pics of Curcuma..so that identification can be attempted...or some other things are there which cannot be recorded in pics..

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[Ushadi Micromini]

no surajit

when in wild

rule of photography for ethnobotany for conservation is do not disturb ... and definitely do not break up, pick etc

Nidhan and Gurcharanji can elaborate..  my underrstanding is that

even botanists on so called collection drives often need special permission to collect...

never dig up...

I am sure there is less invasive way of doing most photography for id purposes.

sorry, surajit.

Usha di

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Usha di
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[surajit koley]

No problem Didi, but I agree partly, you or others may have different view.

Thank you

Regards

[Ushadi Micromini]

yes of course. grant you that, Surajit.

let's see what the professors who actually go on collection tours as part of their official duties have to do and follow.

usha di

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Usha di
===========

[surajit koley]

Good morning Didi

Attached here KEY to AMADA and HALUD by Sir Prain and Haines

Thank you

Regards

[Prabhu kumar Km]

Dear all,

Surajitji you are rightly mentioned.

Curcuma L. is one of the charming genus in the family Zingiberaceae, we can easily distinguish the genus from other genera by means of inflorescence, a spike with prominent spiral bracts each subtending a cincinnus of flowers. In fact, it is very difficult to identify the species among the genus. Taxonomical history of the genus revealed that, the pioneer taxonomists (Roxburgh, 1820; Horaninow, 1862; Baker, 1890; Schumann, 1904) were proposed various sections depending on the position of spikes and absence or presence of anther spur. Recently Sabu (2006) revised the family Zingiberaceae in South India along with Costaceae.  Depending upon his studies, the major characters used for the identification of Curcuma’s are presence of anther spur,  size of the pseudostem, presence or absence of root-tubers, rhizome colour and smell, colour of the coma bracts and proportion of flower with bract (flowers exceeding bract or not). For example, we can easily identify C. aurantica (Syn. C. ecalcarata) from other species my means of the absence of anther spur. Likewise, in C. pseudomontana sessile tubers are absent and in C. vamana and C. oligantha coma bracts are absent. With regard to rhizome colour, rhizome blue within in C. aeruginosa, yellow to deep yellow within in C. zanthorrhiza, deep orange-yellow within C. longa and greyish yellow within C. aromatica. Regard to smell, C. amada rhizome with the smell of green mango. In many species, Curcuma possess lateral and central inflorescence like C. inodora.

Hope the information is useful. 

[Nidhan Singh]

Surely this is very useful information...thanks a lot Prabhu Ji for detailed information and references...
This implies that a few things can be noticed without digging up the plant, especially when it is flowering, but to be sure about id, rhizomes are to be taken out...

[surajit koley]

Thank you very much Sir. Does majority of these members produce seeds? How their dispersing mechanism works?

Regards

[Ushadi Micromini]

OK, Surajit Nidhan and Prabhu Kumar, got the point, thanks for explanations.

but detailed look at leaves and flowers forms an initial part of the key...

rhizomes of course seem to be a final clincher  in case of curcuma.

http://flora.huh.harvard.edu/china/PDF/PDF24/curcuma.pdf

It also underscores the need for detailed photography or verbal description of the leaves surface and touch and feel, coloration of leaves and veins and size of the leaf blade , bracts and coma

in case of curcuma.

===

BUT my question still remains... My understanding was that :  overall rule is not to disturb (wild, naturally occurring , native) plants, do not pick flowers, do not cut branches, do not dig up etc....

is there a final authority ion whom this decision depends or are there no laws.

My understanding was that  there were rules.

may be it can be a separate thread.

Or may be there are conflicting rules and regulations????

==

usha di

[surajit koley]

Good morning Didi

The KEY in the linked pdf file doesn't feature Curcuma amada. Since I have seen both the amada and the longa I think there is no way to identify them without examining rhizome. The pdf follows the 'Bengal Plants' pattern.

I agree that in most cases the ID can be established without digging, taking care of distribution, and other aerial features. Even then you may need to dissect a number of flowers.

Thank you very much.

Regards

[Gurcharan Singh]

Forwarding again for ID

[J.M. Garg]

---------- Forwarded message ---------
From: Sourav Mahmud <nature...@gmail.com>
Date: Tue, 26 Aug 2014 at 00:08
Subject: [efloraofindia:198603] SM164 Curcuma pseudomontana?
To: efloraofindia <indian...@googlegroups.com>

Habit: Rhizomotus

Habitat: Wild

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With regards,
J.M.Garg

[J.M. Garg]

Forwarding again for Id assistance please.

[J.M. Garg]

Thanks a lot, Sabu ji

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With regards,
J. M. Garg

---------- Forwarded message ---------
From: Mamiyil Sabu <>
Date: Fri, 9 Oct, 2020, 7:51 pm
Subject: Re: [efloraofindia:198603] SM164 Curcuma pseudomontana?
To: J.M. Garg <jmg...@gmail.com>

Check the rhizome size and colour. Wait for the leaves to come.

Thanking you,

Sincerely yours,

M. Sabu Ph. D., FNA, FASc.

CSIR-Emeritus Scientist, Malabar Botanical Garden & IPS

Calicut, 673014.
Formerly Professor & Head
Department of Botany
University of Calicut
Kerala, 673 635, India
Phone: 91--4952431545
Mobile: 91- 09447636333
Website: www.gingersofindia.com
https://botany.uoc.ac.in/index.php/sunojkumar?id=58

Google scholar:https://scholar.google.co.in/citations?user=BkXpK9IAAAAJ&hl=en