The more I see Sonchus species, more confused I get, especially after I uploaded what I thought true S. asper. The specimens with all type of auricles do show spiny leaves especially older plants. Could any member upload a really working key to differentiate S. asper and S. oleraceous?
-- 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/ On Sat, Mar 26, 2011 at 6:55 PM, Balkar Arya <[email protected]> wrote: > Dear All > Sonchus asper?? > from Lohari Panipat > > -- > Regards > > Dr Balkar Singh > Head, Deptt. of Botany and Biotechnology > Arya P G College, Panipat > Haryana-132103 > 09416262964 >

