Lamiaceae (inc. Verbenaceae) Fortnight: Lamiaceae - Leucas aspera (Willd.) Link Assam – KD 11 MAY 2015

[Karuna Das]

Dear All,

    Attached images are Leucas aspera (Willd.) Link. In two images the specimen is infested by Cuscuta reflexa. 

Date :.2012 & 2013

Location: Assam

 

With regards

Karuna Kanta Das

Guwahati 781012

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[Tapas Chakrabarty]

Yes Karunaji, I know at least this species.

Regards,

TC.

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[surajitkoley]

I am afraid this is not L. aspera (Willd.) Link.

Thank you

Regards

surajit

[Gurcharan Singh]

At least the Oblique calyx, leaves, floral clusters all suggest L. aspera. It would help if Surajit ji gives reasons for his doubt.

Dr. Gurcharan Singh

Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089

http://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/

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[surajit koley]

If this is Leucas aspera then the one I have, photographed and submitted twice in the same thread, identified by Dr. Gurcharan Singh, is not Leucas aspera.

And the other I have, identified by Dr. Vijayasankar and Dinesh Ji, is not Leucas lavandulifolia.

Thank you

Regards

[Gurcharan Singh]

These repeat episodes are meant for this purpose only, rechecking and improving upon identifications. Your first plant earlier identified as L. aspera I think is L. ciliata (I have written in that thread also) with very long calyx lobes, strongly hispid. Your L. lavandaefolia I think is very distinct in lacking long hairs on calyx and upper calyx lobe being much longer than others as also very weakly crenate repand leaves.

    I hope Sampath ji will help us in resolving the issue.    

Dr. Gurcharan Singh

Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089

http://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/

[V. Sampath Kumar]

Actually the Leucas group for India is done by Dr. V. Singh. Dr. Sunoj also worked for Peninsular India. The former published Leucas of India in J Econ Taxon Bot Addl series. I have checked the keys in V. Singh's work  and found Dr. Gurucharan provided characters are tallying mainly the size of the calyx lobe and indumentum characters important to distinguish this species.

Better follow what Gurucharanji provided key characters.

Sampath Kumar
From: Gurcharan Singh <sing...@gmail.com>
Sent: Wed, 06 May 2015 08:57:11
To: surajit koley <surajitno...@gmail.com>
Cc: efloraofindia <indian...@googlegroups.com>
Subject: Re: [efloraofindia:222891] Lamiaceae (inc. Verbenaceae) Fortnight: Lamiaceae - Leucas aspera (Willd.) Link Assam – KD 11 MAY 2015

[Ushadi Micromini]

Thank you Gurcharanji

and Sampath ji

usha di

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

[surajit koley]

Respected my teachers in this group,

I am totally confused.

As per Flora of China (my only latest source of information are these efloras, and I have been told by Gurcharan Sir that we can rely on them mostly ) :-

plants hispid, calyx slightly oblique at mouth......... = KEY 7

there are two species under KEY-7 = L. aspera & L. zeylanica.

FoC thinks, in L. aspera, calyx tubular....... slightly hispid or sub-glabrous at base, otherwise densely hispid outside, mouth oblique... teeth straight ... apex spinescent

There are many pics of L. aspera in the net, I am not to judge who is correct and who is not, one person, from Indonesia, follows the above description - https://www.flickr.com/photos/87453322@N00/4290631956/, I think.

I am really sorry that I have failed and I still fail to see the above features in the set of photographs submitted in this thread.

I will deal with Leucas ciliata in my own thread.

As I said I am very much confused. I am not sure if I should accept the ID of this species as Leucas aspera or I should wait for another repeat episode.

Thank you all for your kind teaching.

Regards

surajit koley

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[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

I am afraid this is not L. aspera (Willd.) Link. Thank you Regards surajit

At least the Oblique calyx, leaves, floral clusters all suggest L. aspera. It would help if Surajit ji gives reasons for his doubt. Dr. Gurcharan Singh

If this is Leucas aspera then the one I have, photographed and submitted twice in the same thread, identified by Dr. Gurcharan Singh, is not Leucas aspera.

And the other I have, identified by Dr. Vijayasankar and Dinesh Ji, is not Leucas lavandulifolia. Thank you Regards

These repeat episodes are meant for this purpose only, rechecking and improving upon identifications. Your first plant earlier identified as L. aspera I think is L. ciliata (I have written in that thread also) with very long calyx lobes, strongly hispid. Your L. lavandaefolia I think is very distinct in lacking long hairs on calyx and upper calyx lobe being much longer than others as also very weakly crenate repand leaves.

I hope Sampath ji will help us in resolving the issue.   Dr. Gurcharan Singh

Actually the Leucas group for India is done by Dr. V. Singh. Dr. Sunoj also worked for Peninsular India. The former published Leucas of India in J Econ Taxon Bot Addl series. I have checked the keys in V. Singh's work  and found Dr. Gurucharan provided characters are tallying mainly the size of the calyx lobe and indumentum characters important to distinguish this species.

Better follow what Gurucharanji provided key characters. Sampath Kumar

I am totally confused.

As per Flora of China (my only latest source of information are these efloras, and I have been told by Gurcharan Sir that we can rely on them mostly ) :- plants hispid, calyx slightly oblique at mouth......... = KEY 7 there are two species under KEY-7 = L. aspera & L. zeylanica. FoC thinks, in L. aspera, calyx tubular....... slightly hispid or sub-glabrous at base, otherwise densely hispid outside, mouth oblique... teeth straight ... apex spinescent There are many pics of L. aspera in the net, I am not to judge who is correct and who is not, one person, from Indonesia, follows the above description - https://www.flickr.com/photos/87453322@N00/4290631956/, I think. I am really sorry that I have failed and I still fail to see the above features in the set of photographs submitted in this thread. I will deal with Leucas ciliata in my own thread. As I said I am very much confused. I am not sure if I should accept the ID of this species as Leucas aspera or I should wait for another repeat episode. Thank you all for your kind teaching. Regards surajit koley

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With regards,
J.M.Garg

'Creating awareness of Indian Flora & Fauna'
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[surajit koley]

Backed by three (maybe four) heavyweights it must be Leucas aspera (Willd.) Link. whether I accept or not! Please go ahead with the ID.

Thank you

Regards

surajit koley

[radha veach]

Dear everyone,

I have to say I think this is Leucas lavandulifolia Smith syn.Leucas linifolia (Roth) Sprengel.

regards
Radha

[J.M. Garg]

Hi, Suarjit ji,

What do you finally consider it Leucas aspera or Leucas lavandulifolia ?

---------- Forwarded message ----------
From: Karuna Das <kd_...@rediffmail.com>
Date: 4 May 2015 at 20:12
Subject: [efloraofindia:222699] Lamiaceae (inc. Verbenaceae) Fortnight: Lamiaceae - Leucas aspera (Willd.) Link Assam – KD 11 MAY 2015
To: indiantreepix <indian...@googlegroups.com>

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[surajit koley]

Respected Sir,

As a non-botanist-general member of this group, in connection with "Lamiaceae (incl. Verbenaceae) Fortnight", I already have recorded all I had to say on this thread.

Thank you

Regards

surajit koley