Malvaceae Week: Sida cordifolia from Delhi

25 views
Skip to first unread message

Gurcharan Singh

unread,
Sep 9, 2011, 10:53:00 PM9/9/11
to efloraofindia
Sida cordifolia Linn., Sp.Pl. 684. 1753.
syn: Sida herbacea Cay.; Sida holosericea Wind. ex Sprengel

Erect velvety undershrub, stellate tomentose with filiform 2-6 mm long stipules, up to 3 cm long petiole, up to 5 cm long leaves usually ovate with rounded or slightly cordate base, stellate tomentose, crenate to serrate; flowers solitary or paired with stellate tomentose calyx; petals yellow, slightly longer than calyx; fruit 5-8 mm across, mericarps 9-10, each with 2 divergent 3-5 mm long awns.

Not to be confused with S. cordata (syn: S. veronicifolia) a prostrate herb with long-petioled cordate-ovate leaves, palmately veined, and only 5 mericarps without awns.

Photographed from Old Delhi Ridged in April 
--
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://people.du.ac.in/~singhg45/

Sida-cordifolia-Delhi-1.jpg
Sida-cordifolia-Delhi-2.jpg
Sida-cordifolia-Delhi-3.jpg
Sida-cordifolia-Delhi-4.jpg
Sida-cordifolia-Ridge-Delhi-5.jpg

Balkar Arya

unread,
Sep 10, 2011, 12:46:26 AM9/10/11
to Gurcharan Singh, efloraofindia
All doubts clear Sir
--
Regards

Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology
Arya P G College, Panipat
Haryana-132103
09416262964
Reply all
Reply to author
Forward
0 new messages