Ageratum conyzoides :: 08-Mar-12 :: Hooghly (WB) SK (indiantreepix@googlegroups.com)

[surajit koley (Google Docs)]

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• Ageratum conyzoides :: 08-Mar-12 :: Hooghly (WB) SK

Sir,

Attaching images of Ageratum conyzoides L., a very common wild herb (weed) found on roadside.

Species : Ageratum conyzoides L.

Bengali name : DOCHUNTY

Type : wild herb

Date : 20-Dec-2011, 11.50 a.m.

Place : Hooghly, West Bengal

ID & info help : ‘Plant Groups’ by H. Mukherji

(all images 800x600 pixels)

continued …...

Regards,

Surajit Koley

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[Gurcharan Singh]

I imagine it is houstonianum. Thicker cordate leaves and longer hairs especially on involucre bracts are clearly seen.

-- 
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/ 

[surajit koley]

Good evening Sir. Thank you for the ID. No Bengali name has been given to A. houstonianum in the 'Plants Groups', the book that i consult first to obtain any initial ID.

Regards,

Surajit