Gurcharan Singh
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to Dinesh Valke, Neil Soares, H S, Balkar Arya, efloraofindia
Dear friends
Perhaps this is one complex group which needs to be critically examined to place our photographs. Any how specimens often referred to S. rhombifolia or rhomboidea may be placed under at least three species.
Flowers in clusters on short axillary shoots.....................................................S. yunnanensis (Sida obovata Wall.
Sida rhombifolia var. obovata Wall. ex Mast according
to eFlora of Pakistan)
Flowers Solitary axillary or subterminal,
Calyx stellate pubescent, staminal tube glabrous, mericarps 7-9...............S. rhombifolia (Sida rhoimboidea Roxb.)
Calyx stellate tomentose; staminal tube pubescent, mericarps 6-8.............S. alnifolia
Leaf blade 2-5 cm; mericarps vetutinous........................................S. alnifolia var. alnifolia (S. retusa L.)
Leaf blade less than 2 cm; mericarps villous at apex; .....................S. alnifolia var. obovata (S. rhombifolia var. obovata
according to eFlora of China; eFlora of Palkistan
considers S. alnifolia var obovata to be this as S.
alba)
--
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/