Vigna luteola (Jacq.) Benth.SN july 16

[Santhan P]

Vigna luteola (Jacq.) Benth, prostrate herb run wild near Mangalore and Udupi, Karnataka, Is it introduced as a ground cover?

[Gurumurthi Hegde]

Santhan ji,

Is there any specific  character that you assigned this taxon to  Vigna luteola ?

Can't it be Vigna radiata  (or any of its varieties )?

And its can't be either V. vexillata (as you've named the pics),  since V. vexillata has pink petals.

 

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Santhan ji,

Is there any specific  character that you assigned this taxon to Vigna luteola ? Can't it be Vigna radiata  (or any of its varieties )?

And its can't be either V. vexillata (as you've named the pics),  since V. vexillata has pink petals.   - from Gurumurthi ji.

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With regards,
J.M.Garg

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[J.M. Garg]

A reply from an expert:

"The specimen attached herewith seems to be Vigna silvestris. Need photo of mature pod for
confirmation. This form is found in the Karnataka. It is highly variable species.

With Warm Regards
Yours Sincerely

Mr. Makarand Mohanrao Aitawade
Ph.D. Student
Angiosperm Taxonomy Lab.
Departmnet of Botany,
Shivaji University,
Kolhapur (MS India)
Mo: 09890026113"

 

Thanks, Aitawade ji.

[J.M. Garg]

---------- Forwarded message ----------
From: Ponnutheerthagiri Santhan <ponsa...@gmail.com>
Date: 26 July 2014 13:39
Subject: Re: [efloraofindia:194181] Vigna luteola (Jacq.) Benth.SN july 16
To: "J.M. Garg" <jmg...@gmail.com>

 Still I believe it to be Vigna luteola (Jacq.) Benth, I will refer BSI Herbarium and confirm, it is reported in India, it is an introduced green cover/fodder

Regards

Santhan P

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Is there any specific character that you assigned this taxon to Vigna luteola ?

Can't it be Vigna radiata (or any of its varieties )?

And its can't be either V. vexillata (as you've named the pics), since V. vexillata has pink petals.     - from Gurumurthy ji.

The specimen attached herewith seems to be Vigna silvestris. Need photo of mature pod for confirmation. This form is found in the Karnataka. It is highly variable species. With Warm Regards Yours Sincerely Mr. Makarand Mohanrao Aitawade

Still I believe it to be Vigna luteola (Jacq.) Benth, I will refer BSI Herbarium and confirm, it is reported in India, it is an introduced green cover/fodder Regards Santhan P

---------- Forwarded message ----------
From: Santhan P <ponsa...@gmail.com>
Date: 16 July 2014 13:39
Subject: [efloraofindia:194181] Vigna luteola (Jacq.) Benth.SN july 16
To: indian...@googlegroups.com

Vigna luteola (Jacq.) Benth, prostrate herb run wild near Mangalore and Udupi, Karnataka, Is it introduced as a ground cover?

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[surajit koley]

Vigna mungo and allied -

• http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242426207
  
• http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242354376
  
• http://www.gene.affrc.go.jp/databases-plant_images_detail_en.php?plno=5420610035
  

Stems and pods beset with tomentum :- pods are hairy in the attached photographs; but not sure of stem, probably not hispid.

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• Vigna luteola (Jacq.) Benth. = acepted name = http://www.theplantlist.org/tpl1.1/record/ild-3509
  
• Vigna luteola auct. non Benth. = syn. of Vigna marina (Burm.) Merr. = http://www.ildis.org/LegumeWeb?version~10.01&LegumeWeb&tno~2233&genus~Vigna&species~luteola
  
• difference of above two can be found = http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=134572#KEY-1-5

I think maybe possible.

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• Vigna vexillata (L.) A.Rich. = accepted name = http://www.theplantlist.org/tpl1.1/record/ild-3615?ref=tpl1
  
• Vigna vexillata var. wightii (Bedd.) Babu & S.K.Sharma = accepted = http://www.theplantlist.org/tpl1.1/record/ild-50366?ref=tpl1
  
• Vigna vexillata var. angustifolia (Schum. & Thonn.) Baker = accepted = http://www.theplantlist.org/tpl1.1/record/ild-43175?ref=tpl1
  
• difference amongst luteola, marina and vexillata can be found = http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=134572#KEY-1-2

Vigna vexillata (L.) A.Rich is synonym of Vigna hirta Hook., has yellow-green flowers (see also FoP and FoC).

So, I think flower colour is not decisive factor and it can be V. vexillata (L.) A. Rich as well or likely!!!

Thank you

Regards