Thanks a lot Pankaj ji Members can take help of both the keys.
-- 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 Fri, Mar 11, 2011 at 8:25 PM, Pankaj Kumar <[email protected]>wrote: > Stem without spines > Leaves red/brown/reddish-brown …………………………........Euphorbia cotinifolia > Leaves green or green with variegations > Leaves usually present for short > duration towards the terminal end of stem ..……………......Euphorbia > tirucallii > Leaves present for longer duration > not just confined to the terminal ends > Leaves alternate scattered distichously …………............Euphorbia > tithymaloides > Leaves alternate, scattered spirally > (not distichously atleast) > Bracts uniformly coloured > (yellow or red or white in colour) …………………….......Euphorbia > pulcherrima > Bracts coloured but not completely > Bracts red coloured towards > the basal part ……………………………......………...Euphorbia > heterophylla > Bracts white coloured towards > the basal part …………………………………....……...Euphorbia cyathophora > > Stem with spines > Stem red/brown/reddish-brown in colour, > normally not more than 1.5cm thick ……………………….......Euphorbia milii > > (excluding polyploid hybrids) > Stem green/white/greyish-green/variegated, > normally more than 3cm thick > Stem almost cylindric > Trunk absent, place of attachment > of spines raised ……………………………………..............Euphorbia caducifolia > Trunk present, place of attachment > of spines almost embedded atleast not raised …………...Euphorbia > nivulia > Stem angular or winged > Wings 3-4 > Wings straight, sinuate or dentate > Stem green without > white bands > …………………..............................…Euphorbia antiquorum > Stem variegated with > white or white bands > between two wings > …………..…......................…...Euphorbia lactea > Wings spiral ………………………........................…….Euphorbia > tortilis > Wings 5-6 ……………………………......................…...….Euphorbia royleana > > Varieties may be kept separately I assume. > Key is 98% yours and I just added and deleted few things so even less than > 2% of my knowledge involved. > Regards > Pankaj > > > -- > *********************************************** > "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > > > Pankaj Kumar Ph.D. (Orchidaceae) > Research Associate > Greater Kailash Sacred Landscape Project > Department of Habitat Ecology > Wildlife Institute of India > Post Box # 18 > Dehradun - 248001, India > >
