And yes, I forgot to mention, new cultivars of Portulaca grandiflora have been developed that remain open for most of the day.
-- 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/ On Mon, Oct 17, 2011 at 4:58 PM, Gurcharan Singh <[email protected]> wrote: > Mani ji > It would be interesting to know the source of your information. Portulaca > grandiflora is generally known as *eleven-o'clock flower *as per GRIN > information. In Vietnam, it is called "Hoa mười giờ" meaning "Ten o'clock > flower", because the flower is usually in full bloom at 10 o'clock in the > morning (as per Wiki: http://en.wikipedia.org/wiki/Portulaca_grandiflora. Most > species of Portulaca generally flower and stay open till noon, remain closed > before and after that or on a cloudy day. > Once I remember having disagreement on the colour of flower colour, my > colleague saying it has pink flowers whereas I knew it with yellow flowers. > Next morning we plucked the plants at 8.30 a m when all were in buds pink in > colour, brought them to College, and put it in beaker with water on a window > with sunlight and asked the lab assistant to report when it comes to flower. > He came running to me to me after some time to report it has just flowered. > I saw my watch, it was 11 a m, and I saw the flowers they were all > yellow......It was Portalaca quadrifida. > > -- > 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/ > > > > On Mon, Oct 17, 2011 at 3:39 PM, mani nair <[email protected]> wrote: > >> Thanks Bhagyashri ji for the appreciation. >> Regards, >> Mani Nair >> >> >> On Mon, Oct 17, 2011 at 3:08 PM, Madhuri Raut <[email protected]> wrote: >> >>> lovely colors Mani ji I have yet to see a yellow one in real >>> Regards >>> Bhagyashri >>> >>> >>> On Mon, Oct 17, 2011 at 3:00 PM, mani nair <[email protected]> wrote: >>> >>>> Thanks Neha ji. Yes it is also called 9 O'Clock flower as the flower >>>> buds opens during that time. >>>> >>>> Regards, >>>> >>>> Mani Nair >>>> >>>> >>>> On Mon, Oct 17, 2011 at 2:42 PM, Neha Singh <[email protected]>wrote: >>>> >>>>> Beautiful ! >>>>> Mani Sir, we call it 9 O' Clock. >>>> >>>> >>>> >>> >> > > > >

