Forgot to mention, prostrate types generally develop under areas of intense grazing and trampling, erect types under undisturbed areas.
-- 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 Fri, Oct 21, 2011 at 2:22 PM, Gurcharan Singh <singh...@gmail.com> wrote: > Not a big deal Dinesh ji > Many species are supposed to have stable (genetically fixed) variants under > different ecological conditions. These are better known as ecotypes, > although some call them varieties or subspecies (different areas), and some > enthusiastic persons giving them ranks of independent species. It is common > to have erect and prostrate types in many species including our Euphorbia > hirta. In fact this concept of ecotypes was developed simultaneously in > Europe (Hieracium vulgatum) and California (Potentilla fruticosa) around > 1822. > > -- > 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 Fri, Oct 21, 2011 at 1:40 PM, Dinesh Valke <dinesh.va...@gmail.com>wrote: > >> Many thanks Mohina ji for sharing this plant. >> ... taking opportunity to put this trivia : *Eclipta prostrata* has one >> of its synonyms as *Eclipta erecta*. >> >> Regards. >> Dinesh >> >> >> On Fri, Oct 21, 2011 at 11:25 AM, Mohina Macker >> <mohinamac...@gmail.com>wrote: >> >>> eclipta prostata of asteraceae family >>> been seeing it in flower for the past couple of weeks >>> at alibaug >>> regards >>> mohina macker >>> >> >> > > > -- > 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/ > >
