Giby Sir, Thank you very much for those reference. What i learn is -
1. 4-winged stem with 4 stamens = *L. prostrata* 2. 4-angled capsule = *L. prostrata* 3. glabrous similar plant = *L. perennis* * * Since i didn't take any petal or sepal measurement, neither have any picture of capsule, i take it simply as *Ludwigia sp.* * * Regards, surajit On Tue, Jun 12, 2012 at 10:27 AM, Giby Kuriakose <giby.kuriak...@gmail.com>wrote: > Please refer the following links. > > > https://groups.google.com/forum/?hl=en&fromgroups#!searchin/indiantreepix/ludwigia$20giby/indiantreepix/1whQOvD_u7I/s4uBLrY1IMQJ > > > > https://groups.google.com/forum/?hl=en&fromgroups#!searchin/indiantreepix/ludwigia$20giby/indiantreepix/gbDZvxELL_Q/ZV0vQr9EtyIJ > > > > > Regards > Giby > > > > On 12 June 2012 10:05, ushadi Micromini <microminipho...@gmail.com> wrote: > >> ALL: found a ref where a line drawing sort of looks different from >> Surajit's flower... look at it ... and tell me please... >> http://www.wssa.net/Weeds/Invasive/FactSheets/Ludwigia%20prostrata.pdf >> >> >> Usha di >> == >> >> >> >> On Mon, Jun 11, 2012 at 11:45 PM, surajit koley < >> surajitnotavaila...@gmail.com> wrote: >> >>> Sorry, forgot to attache the pics.. here they are, >>> >>> Regards, >>> >>> Surajit Koley >>> >>> >>> On Mon, Jun 11, 2012 at 11:43 PM, surajit koley < >>> surajitnotavaila...@gmail.com> wrote: >>> >>>> Sir / Madam, >>>> >>>> Found this small herb on the steps of a pond. >>>> >>>> Species : *Ludwigia prostrata* Roxb. >>>> Habit & Habitat : wild herb, beside pond >>>> Date : 3/6/12, 9.27 a.m. >>>> Place : Nalikul, Hooghly >>>> ID help : >>>> http://www.efloras.org/florataxon.aspx?flora_id=610&taxon_id=200015093 >>>> and >>>> https://groups.google.com/forum/?fromgroups#!topic/indiantreepix/1whQOvD_u7I >>>> >>>> Thank you & Regards, >>>> >>>> Surajit Koley >>>> >>> >>> >> >> >> -- >> Usha di >> =========== >> >> > > > -- > GIBY KURIAKOSE PhD > Ashoka Trust for Research in Ecology and the Environment (ATREE), > Royal Enclave, > Jakkur Post, Srirampura > Bangalore- 560064 > India > Phone - +91 9448714856 +919947109987 (Mobile) > visit my pictures @ http://www.flickr.com/photos/giby >