Nidhan Singh Tue, 17 Apr 2012 17:12:10 -0700
Definitely a Sonchus sp. , leaves should be there to reach to sp. id...still a guess, this can be S. oleraceous..
-- Regards, Dr. Nidhan Singh Department of Botany I.B. (PG) College Panipat-132103 Haryana Ph.: 09416371227