Very good photographs Rawat ji
-- 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://www.gurcharanfamily.com/ http://people.du.ac.in/~singhg45/ On Mon, Jun 3, 2013 at 12:05 PM, D.S Rawat <[email protected]>wrote: > Ageratum L. genus is represented in India by two species- *A. conyzoides*and > *A.houstonianum*. Both of these species are not native in India but are > invasive alien species originating in Tropical America. In Uttarakhand > these reach up to 2000m altitude in the Himalaya. These closely related > pantropica weed species can be differentiated as follows: > > Involucral bracts linear, sharply acute-acuminate, sparsely hairy; Corolla > of the florets 1.5mm long, shorter than awned pappus scale.... * > A.conyzoides* L. > > Involucral bracts linear setaceous, densely hairy; Corolla of the florets > 2.5mm long, as long as or longer than awned pappus .... *A.haustonianum * > Mill. > > DSRawat Pantnagar > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
