Many thanks Gurcharan ji for bringing about the clarity among two species. It actually set me to check whether there are any *I. dichroa* in my collection among *I. triloba* ... http://www.flickr.com/search/?s=int&w=91314344%40N00&q=Ipomoea+triloba&m=text
Regards. On Thu, Sep 23, 2010 at 11:13 PM, Tabish <[email protected]> wrote: > Thanks Gurcharan ji, > I had failed to see the details - the hairiness of Balkar's plant > is starkly different from that of I. triloba! > - Tabish > > On Sep 23, 10:36 pm, Gurcharan Singh <[email protected]> wrote: > > I also got the differences > > > > I*pomoea dichroa > > **I.** triloba* > > > > Plant densely covered with white or yellowish hairs > > Plant glabrous, nodes hairy > > > > Leaves 5-13 cm long, 6-13 cm wide > > Leaves 2.5-7 cm long, 2-6 cm wide > > > > Leaves bristly-pubescent above, white-tomentose beneath > Leaves > > glabrous or sparsely pilose > > > > Bracts 7 mm long > > Bracts minute > > > > Sepals bristly or setose > > Sepals unequal, glabrous or sparsely pilose > > > > Capsule ovoid, 8 mm long, pubescent above > > Capsule globose, 5-6 mm, bristly pubescent, apiculate > > > > Though the original plant identity is still elusive for me, Balkar ji's > > plant is clearly I. dichroa (syn: I. arachnosperma; I. pilosa) > > > > -- > > 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: > > 9810359089http://people.du.ac.in/~singhg45/<http://people.du.ac.in/%7Esinghg45/> > > > > On Thu, Sep 23, 2010 at 10:06 AM, Tabish <[email protected]> wrote: > > > To me too, Balkar's plant look like *Ipomoea triloba*. Compare with > > > the following pics: > > > http://www.nationaalherbarium.nl/Riceweedsweb/images/ipomoea.gif > > > https://www.seedsman.jp/gardenblog/2006/08/ipomoea-triloba.php > > > http://www.hear.org/starr/images/image/?q=090814-4312&o=plants > > > - Tabish > > > > > On Sep 23, 9:48 pm, Balkar Arya <[email protected]> wrote: > > > > Dear Gurcharan Ji > > > > i could find differences as > > > > I dichroa - Leaf-blade deeply 3-lobed, *rarely entire*, 5–13 cm. > long, > > > 6–13 > > > > cm. wide, acute or acuminate at the apex (in JSTORE) > > > > > > I dichroa Leaves broad ovate, cordate, silvery white-wooly beneath > > > flowers > > > > pink or rosy in lax cymes > > > > ( as in Flora of Delhi) > > > > > > i am attaching a page from flora of delhi and a page from further > flowers > > > of > > > > sahyadri for description of dichroa, marginata eriocarpa and triloba > > > > -- > > > > Regards > > > > > > Dr Balkar Singh > > > > Head, Deptt. of Botany and Biotechnology > > > > Arya P G College, Panipat > > > > Haryana-132103 > > > > 09416262964 > > > > > > tn_DSCN4989.JPG > > > > 74KViewDownload > > > > > > tn_DSCN4991.JPG > > > > 568KViewDownload >
