Samir Ji and Gurucharanji , and all: I have seen the same differences, in flowers of the vine..Petrea volubilis and the sp called arborea...
genetic differences are bound to show up...if the progeny of the two repeats the vine-like Versus the shrub... The shrub like petrea I saw was at a nursery owned and run by a man who is the president of the NE indian Nursermen... or some such organization.... I'll go back and photograph them again in details and see if I can buy the two cuttings .. .established in large pots... MY QUESTION TO GURUCHARANJI: IS THERE ANY LAB THAT DOES GENETIC ANALYSIS OF ORNAMENTALS? On Jul 10, 11:03 pm, Samir Mehta <[email protected]> wrote: > Gulcharan ji, the difference of morphological structure I was > referring to relates to the difference in the width of the petals > (much broader in the second plant). > > Further, not having any formal / structured education in Botany beyond > high school I am not sure what parameters botanists use in current > times to call a particular variation a sub-species or even a different > species. > > Regards, > > Samir > > On Jul 10, 9:37 pm, Gurcharan Singh <[email protected]> wrote: > > > Samir ji > > A nice series of photographs. Why don't you list down the differences (other > > than habit), if they look so different?. This will help in further > > investigation. > > > -- > > 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/ > > > On Sun, Jul 10, 2011 at 9:26 PM, Samir Mehta <[email protected]> wrote: > > > Dear Fellow group-members, > > > > The images in this post consist of a Petrea volubilis 'classical (first 2 > > > images) from one plant and the rest of the images from another plant, the > > > latter being a scandent shrub, 10-12 ft tall. > > > > I was not sure whether the scandent shrub images were indeed of Petrea > > > volubilis because they looked so different until I saw something similar > > > in > > > Top Tropicals labeled Petrea arborea. A quick check with the ars-grin > > > database confirmed the taxon listed as a synonym of P. volubilis. > > > > I'm a trifle surprised that the variation has not been listed as a > > > sub-species for the morphological (in structure) difference (subject to my > > > identification being correct) is quite evident and significant. > > > > Regards, > > > > Samir Mehta
