Euphorbiaceae Week: Euphorbia antiquorum from Delhi

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Gurcharan Singh

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Mar 7, 2011, 8:42:32 AM3/7/11
to efloraofindia
Euphorbia antiquorum L., Sp. pl. 1:450. 1753

Succulent shrub, often planted in gardens and rockeries. The woody spiny species of Euphorbia can be separated as under:

Stem rounded, not angled or winged:....................................................................................   E. nivulia
Stem angled or winged
           Angles not produced into wing, spirally arranged:.......................................................... E. neriifolia
           Angles produced into wings
                      Wings 3-4
                                  wings running straight, sinuate, regularly dentate,..........................:..........E. antiquorum
                                  wings running spirally, ...........................................................................E. tortilis 
                       Wings 5-6, undulate..........................................................................................E. royleana
                       
                       

--
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/

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Rashida Atthar

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Mar 7, 2011, 10:13:00 AM3/7/11
to Gurcharan Singh, efloraofindia
Thank  you Sir for the pictures and the keys. The minute differences  are brought out well, so important for identifcation of Euphorbias.
 
regards,
Rashida,
 

JM Garg

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Jul 30, 2019, 11:56:54 PM7/30/19
to efloraofindia, GurcharanSingh
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