Great observations and analysis Surajit 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 Tue, Mar 13, 2012 at 7:34 AM, surajit koley < surajitnotavaila...@gmail.com> wrote: > Good morning Sir. Thank you for the ID. > Have a nice day. > Regards, > Surajit > > > On Tue, Mar 13, 2012 at 2:12 AM, Dinesh Valke <dinesh.va...@gmail.com>wrote: > >> ... *Ipomoea marginata* (Desr.) Verdc. >> Regards. >> Dinesh >> >> >> >> >> >> On Mon, Mar 12, 2012 at 11:25 PM, surajit koley (Google Docs) < >> surajitnotavaila...@gmail.com> wrote: >> >>> I've shared Convolvulaceae Week: Ipomoea sp. from Hooghly >>> (WB)<https://docs.google.com/document/d/1EAjHfDBZ2U0SLmIzwZaqBd1wuiqTs9qkNuc9T_xqwWk/edit> >>> Click to open: >>> >>> - Convolvulaceae Week: Ipomoea sp. from Hooghly >>> (WB)<https://docs.google.com/document/d/1EAjHfDBZ2U0SLmIzwZaqBd1wuiqTs9qkNuc9T_xqwWk/edit> >>> >>> >>> Sir, >>> >>> I thought it was some other species, not an Ipomoea aquatica. The >>> reasoning behind my anticipation was - >>> >>> a) It is a twining climber found on roadside having ditches beside it. >>> But a point to be noted is that those ditches are entirely dry >>> >>> b) The leaf blade is significantly broader and there is variation in >>> blade-shapes >>> >>> c) Stem is narrower and hairy >>> >>> d) Stamens protrude outside of the corolla >>> >>> e) Anthers are purple >>> >>> f) Flowers are a tad smaller and appearance of the flower is a bit >>> pentagonal than a perfect round shape >>> >>> Having been suggested by Mani Sir i too think now that it is also a Ipomoea >>> aquatica, maybe slightly modified due to terrestrial adaptation. >>> >>> Yet a google search leads me to the following websites that contain >>> similar leaves and flowers with very minute variations. Of-course wiki says >>> that this plant is from North America! :- >>> >>> 1. http://www.discoverlife.org/mp/20q?search=Ipomoea+pandurata >>> >>> 2. >>> http://florapittsburghensis.wordpress.com/2010/07/25/wild-potato-vine-ipomoea-pandurata/ >>> >>> 3. http://www.arbolesornamentales.es/Ipomoea.htm >>> >>> Species : Ipomoea sp. >>> >>> Habit : wild twiner with hairy stem >>> >>> Habitat : roadside >>> >>> Date : 07-Mar-2012, 12-Mar-2012 >>> >>> Place : Gobra (Hooghly), West Bengal >>> >>> (images 800x600 each) >>> >>> flower close-up >>> >>> flowers >>> >>> underside view of a flower >>> >>> flower & a leaf >>> >>> narrow hairy stem >>> >>> roadside vegetation >>> >>> wild twiner >>> >>> purple anthers >>> >>> Regards, >>> >>> Surajit Koley >>> >>> ------------ END ---------------- >>> >>> Google Docs makes it easy to create, store and share online documents, >>> spreadsheets and presentations. >>> [image: Logo for Google Docs] <https://docs.google.com> >>> >> >> >
