Giby ji, Many thanks for the article - never knew of L.decurrens, among a host of other things!!
Would I be correct in assuming that a erect plant 1.5m, flower >2cms, leaves glabrous (also stem), sepals not hairy is L.deurrens? saw this plant at north end of sgnp very recently. Regards, Samir On Oct 22, 12:03 pm, Giby Kuriakose <[email protected]> wrote: > Please refer the attached file. > If the flowers were so small I am sure that this is *L. perennis. * > One more important point that if the capsule is angular (4 angled) then the > plant would be *L. prostrata* flowers are almost equal sized in these 2 > species. * * > > Regards, > Giby > > On 22 October 2011 11:44, Mohina Macker <mohinamacker @gmail.com> wrote: > > > > > > > > > > > Dear Giby ji and Satish ji > > the flowers of this ludwigia were tiny, no mare thean 5mm at the maximum, > > so that seems to rule out L.octovalvis > > > On Fri, Oct 21, 2011 at 10:18 PM, Satish Phadke <[email protected]>wrote: > > >> Thanks Giby ji > >> I think you are right. That was the reason I posted the plant again. > >> This definitely is a glabrous plant but size wise I think it is closer to > >> * L.octovalvis.* > >> Anyway can't confirm now. Thanks for the analysis which would be useful > >> when I might encounter similar plant again > > >> On Fri, Oct 21, 2011 at 9:44 PM, Giby Kuriakose <[email protected] > >> > wrote: > > >>> Is this a hairy plant or a glabrus one? Further in L. octovalvis the > >>> sepels are 0.5-1.2cm long petals are 0.6-1.8cm long whereas, in L. > >>> perennis > >>> it is less than 0.5 for both sepals and petals > >>> Please refer this > >>>http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=119063 > >>> andhttp://www.efloras.org/florataxon.aspx?flora_id=100&taxon_id=119063 > > >>> If this is a glabrous plant with smaller flowers, I think this too is *L. > >>> perennis. * > > >>> Regards, > >>> Giby > > >>> On 21 October 2011 21:32, Satish Phadke <[email protected]> wrote: > > >>>> I am not aware of the two species in detail. Attaching my pictures of > >>>> the plant seen near water body near Kaas Plateau which was IDed > >>>> as*L.octovalvis > >>>> * for comparison/Review again. > > >>>> On Fri, Oct 21, 2011 at 7:51 PM, Giby Kuriakose < > >>>> [email protected]> wrote: > > >>>>> I still think that this is *L. perennis. * > >>>>> * > >>>>> * > >>>>> * > >>>>> * > >>>>> Regards, > >>>>> Giby > > >>>>> On 20 October 2011 10:17, Mohina Macker <[email protected]>wrote: > > >>>>>> Got some some more photographs yesterday > >>>>>> the plant seems glabrous > >>>>>> without a hint of purple > >>>>>> regards > >>>>>> mohina macker > > >>>>>> On Mon, Oct 17, 2011 at 6:25 PM, Giby Kuriakose < > >>>>>> [email protected]> wrote: > > >>>>>>> Dear Satish ji, > > >>>>>>> As per the key provided in this link ( > >>>>>>>http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=119063) and > >>>>>>> the description and illustrations therein shows that the stem leaf > >>>>>>> margin of > >>>>>>> *L. octovalvis *is hairy and the same for *L. perennis* is > >>>>>>> glabrous. > >>>>>>> In this pictures, though it is not very clear, seems that the plant > >>>>>>> is glabrous. > >>>>>>> Mohima ji please check whether the plant is hairy or not. > > >>>>>>> Regards, > >>>>>>> Giby > > >>>>>>> On 17 October 2011 18:15, Satish Phadke <[email protected]>wrote: > > >>>>>>>> It is interesting > >>>>>>>> Whether it is *Ludwigia octovalvis* or *Ludwigia perennis*? Only > >>>>>>>> significant difference between the two what I noticed from the > >>>>>>>> literature is > >>>>>>>> that the small petiole is winged in *L.perennis*. > >>>>>>>> Mohina ji Can you check this in your plant as it is not appreciated > >>>>>>>> in the given picture. > >>>>>>>> Otherwise the plant looks close to *Ludwigia octovalvis* to me > > >>>>>>>>http://groups.google.com/group/indiantreepix/browse_thread/thread/2ea... > > >>>>>>>> On Sun, Oct 16, 2011 at 6:37 PM, Mohina Macker < > >>>>>>>> [email protected]> wrote: > > >>>>>>>>> very small flowers > >>>>>>>>> no bigger than 3 or 4 mm > >>>>>>>>> would very much appreciate an id > >>>>>>>>> regards > >>>>>>>>> mohina macker > > >>>>>>>> -- > >>>>>>>> Dr Satish Phadke > > >>>>>>> -- > >>>>>>> GIBY KURIAKOSE PhD > >>>>>>> Ashoka Trust for Research in Ecology and the Environment (ATREE), > >>>>>>> Royal Enclave, > >>>>>>> Jakkur Post, Srirampura > >>>>>>> Bangalore- 560064 > >>>>>>> India > >>>>>>> Phone - +91 9448714856 (Mobile) > >>>>>>> visit my pictures @http://www.flickr.com/photos/giby > > >>>>> -- > >>>>> GIBY KURIAKOSE PhD > >>>>> Ashoka Trust for Research in Ecology and the Environment (ATREE), > >>>>> Royal Enclave, > >>>>> Jakkur Post, Srirampura > >>>>> Bangalore- 560064 > >>>>> India > >>>>> Phone - +91 9448714856 (Mobile) > >>>>> visit my pictures @http://www.flickr.com/photos/giby > > >>>> -- > >>>> Dr Satish Phadke > > >>> -- > >>> GIBY KURIAKOSE PhD > >>> Ashoka Trust for Research in Ecology and the Environment (ATREE), > >>> Royal Enclave, > >>> Jakkur Post, Srirampura > >>> Bangalore- 560064 > >>> India > >>> Phone - +91 9448714856 (Mobile) > >>> visit my pictures @http://www.flickr.com/photos/giby > > >> -- > >> Dr Satish Phadke > > -- > GIBY KURIAKOSE PhD > Ashoka Trust for Research in Ecology and the Environment (ATREE), > Royal Enclave, > Jakkur Post, Srirampura > Bangalore- 560064 > India > Phone - +91 9448714856 (Mobile) > visit my pictures @http://www.flickr.com/photos/giby > > Rheedea20_59-70.pdf > 1521KViewDownload

