Sibdas ji
The two species can be conclusively differentiated from fruits and seeds. The capsules of D. ferox are on erect stalks, lower spines are much shorter, upper longer, seeds black or grey. In D. inoxia capsules are on recurved stalks, spines almost equally longer, seeds yellow or brown. Could you please locate plant with fruits?
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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://people.du.ac.in/~singhg45/