Asteraceae Fortnight Part 2-Discoid heads- Chromolaena frustrata from Delhi pl. validate-GS29

[Gurcharan Singh]

In spite of trying a lot I have not been able to fix the identity of this plant. Pl. help.

Photographs from Khalsa College in Delhi, where it is grown as a small hedge (rather as edgings), never allowed to grow higher than 30 cm, but when allowed to grow untrimmed may grow up to 50 cm tall. The leaves of this are much smaller, never broader than 15 mm, mostly 8-10 mm broad, 3-5 cm long. I tried Flora of North America where it fits into C. frustrata. Please comment on this.

 Here is the key:

Leaf blades mostly 1.5–4 cm; involucres 5.5–7.5(–8) mm 3 Chromolaena frustrata

+Leaf blades mostly (3.5–)5–10 cm; involucres (7–)8–10 mm 4 Chromolaena odorata   

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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/

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:      

Earlier discussion thread in this matter.

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With regards,
J.M.Garg

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[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

	Earlier discussion thread in this matter.

---------- Forwarded message ----------
From: Gurcharan Singh <sing...@gmail.com>
Date: 8 June 2013 15:27
Subject: [efloraofindia:156999] Asteraceae Fortnight Part 2-Discoid heads- Chromolaena frustrata from Delhi pl. validate-GS29
To: efloraofindia <indian...@googlegroups.com>

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[Saroj Kumar Kasaju]

Atlas Florida Plants

Thank you

Saroj Kasaju

[Saroj Kumar Kasaju]

Chromolaena odorata (L.) R.M.King & H.Rob.

https://www.google.com/url?sa=i&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FFile%3AChromolaena_odorata_%2528Common_floss_flower%2529_W_IMG_1450.jpg&psig=AOvVaw0W6n5aWqD67NiUbiV8WmbR&ust=1753691440253000&source=images&cd=vfe&opi=89978449&ved=0CBEQjRxqFwoTCPjyk-7P3I4DFQAAAAAdAAAAABAE

Thank you

Saroj Kasaju