Again a new plant for me !! Tanay On Sun, Aug 15, 2010 at 9:01 AM, Gurcharan Singh <[email protected]> wrote:
> Last year I had uploaded these photographs from Manali identified as O. > drummondii, largely influenced by the tips of dehiscing capsules appearing > expanded and the fact that similar plant from Kashmir has often been > reported as O. drummondii. > > > http://groups.google.co.in/group/indiantreepix/browse_thread/thread/db0f2435f45a0897 > > > The plant from Manali in on FOI > > > http://www.flowersofindia.net/catalog/slides/Beach%20Evening%20Primrose.html > > After seeing several plants in Kashmir in June this year and studying them > critically I came to the conclusion that Kashmir plant is O. glazioviana > (formerly known as O. erythrosepala) as flowers are large in size, > inflorescence several-flowered, capsule clearly narrowed towards tip, purple > dots on stem and calyx tinged purple (hence erythrosepala). I have uploaded > it separately today. > O. drummondii, I now realize is a much different coastal plant rarely > ascending above 400 m, decumbent patch-forming, capsules enlarged towards > apex and inflorescence few flowered with single uppermost flower visible > each day (perhaps Tanay may find and upload this for us) : > > > http://www.flowersinisrael.com/Flowgallery/Oenothera_drummondii_flower.jpg > > <http://www.flowersinisrael.com/Flowgallery/Oenothera_drummondii_flower.jpg> > http://commons.wikimedia.org/wiki/File:Oenothera_drummondii_1.JPG > > > <http://commons.wikimedia.org/wiki/File:Oenothera_drummondii_1.JPG>This > leads to the conclusion that my Manali plant is clearly not O. drummondii. > It can either be O. biennis or again O. glazioviana. Two things which appear > to prevent me from calling this as latter species are smaller petals > (compare with my Kashmir plant), absence of purple dots and absence of > purple tinge on sepals. > > Could it then be O. biennis, kindly compare and give your opinion. > > > > > -- > 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/ > > -- Tanay Bose Research Assistant & Teaching Assistant Department of Botany University of British Columbia 3529-6270 University Blvd. Vancouver, B.C. V6T 1Z4 (Canada) Phone: 778-323-4036
