After a lot of discussion thin November 2011, the following key for woody species of Euphorbia was developed. Hope we should be able to improve it further after this episode.
https://groups.google.com/forum/#!searchin/indiantreepix/Woody$20species$20of$20Euphorbia/indiantreepix/Aah2AU0oZuQ/qaxpQWFr2acJ Stems unarmed; without stipular spines All leaves of same colour Leaves longer than 8 cm, green.............................................................................................E. pseudograntii Leaves up to 8 cm long Stem and leaves uniformly red, leaves in whorls of three, petiole almost as long as blade.......E. cotoniifolia Stem and leaves green, leaves alternate, petiole much shorter than blade Leaves shorter than 2 cm, less than 2 mm broad, branches straight, mostly leafless (leaves early deciduous)......................................................................E. tirucalli Leaves longer than 3 cm, more than 2 cm broad, branches zigzag, mostly with leaves....E. tithymaloides All leaves not of same colour; lower leaves green, upper partly or uniformally coloured; leaves longer than 8 cm Leaves below the inflorescence uniformally coloured (red, white or yellow); leaves not lobed...E. pulcherrima Leaves below the inflorescence coloured only at base; leaves lobed or not Base of upper leaves pale green or pale white; leaves lobed or not...................................E. heterophylla Base of upper leaves red; leaves lobed..........................................................................E. cyathophora Stems armed with spines Spines borne on stem, usually longer than 1 cm; two showy bracts around cyathium.......................E. milii Spines borne on raised shield, usually shorter than 1 cm, two showy bracts lacking Stem rounded, not angled or winged Shrub wiithout trunk with branches arising from base, smaller leaves (3-8 cm long) and longer spines 0.5-1 cm.............E caducifolia Tree with distinct trunk, leaves 10-25 cm long, spines shorter than 0.5 cm........................E. nivulia). Stem angled or winged Angles not produced into wing, spirally arranged:....................................................... E. neriifolia Angles produced into wings Wings 3-4 The wings running straight, sinuate, regularly dentate Stems green without white bands....................................................E. antiquorum Stems white wholly or partially The stems with white bands on faces Apex of stem not cristate (without crowns at tips)...........E. lactea Apex of stem cristate (with crowns at tips)......................E lactea cv. Cristata The stems uniformly greyish white...................................... ...E. lactea cv. White Ghost The wings running spirally, ...................................................................................E. tortilis Wings 5-6, undulate.....................................................................................................E. royleana 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, Oct 29, 2013 at 6:42 PM, Samir Mehta <[email protected]> wrote: > It is certainly our good fortune to have Dr. N. P. Balakrishnan and Dr. > Tapas Chakrabarty co-ordinate this fortnight. > Will like to read their original article for their insights. > > Regards, > > Samir Mehta > > > > > > On Saturday, October 26, 2013 1:19:46 PM UTC+5:30, JM Garg wrote: > >> Lot of inf. is already available at efi page: >> Euphorbiaceae<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae> >> >> Following 37 genera are already discussed (Clicking on any of them will >> lead to various species already discussed under them) as below: >> >> Acalypha<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/acalypha> >> Aleurites<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/aleurites-moluccana> >> Baliospermum<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/baliospermum> >> Blachia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/blachia> >> Chrozophora<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/chrozophora> >> Codiaeum<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/codiaeum> >> Croton<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/croton> >> Dalechampia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/dalechampia> >> Dimorphocalyx<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/dimorphocalyx> >> Euphorbia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/euphorbia> >> Excoecaria<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/excoecaria> >> Falconeria<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/falconeria> >> Givotia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/givotia> >> Hevea<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/hevea> >> Hippomane<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/hippomane> >> Homonoia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/homonoia> >> Hura<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/hura> >> Jatropha<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/jatropha> >> Joannesia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/joannesia> >> Macaranga<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/macaranga> >> Mallotus<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/mallotus> >> Manihot<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/manihot> >> Micrococca<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/micrococca> >> Microstachys<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/microstachys> >> Neoshirakia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/neoshirakia> >> Ostodes<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/ostodes> >> Pachystylidium<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/pachystylidium> >> Reutealis<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/reutealis> >> Ricinocarpos<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/ricinocarpos-pinifolius> >> Ricinus<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/ricinus> >> Sapium<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/sapium> >> Suregada<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/suregada> >> Synadenium<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/synadenium> >> Tragia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/tragia> >> Trewia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/trewia> >> Triadica<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/triadica> >> Vernicia<https://sites.google.com/site/efloraofindia/species/a---l/e/euphorbiaceae/vernicia> >> >> >> >> >> >> >> >> On 25 October 2013 22:17, Gurcharan Singh <[email protected]> wrote: >> >>> Dear members >>> It gives me great pleasure to announce that Dr. N. P. Balakrishnan and >>> Dr. Tapas Chakrabarty who are real experts on family Euphorbiaceae and have >>> published its revision in India have kindly agreed to coordinate >>> Euphorbiaceae Fortnight in the month of November from 1 to 14, 2013. >>> Members are requested to keep photographs pertaining to this family ready >>> for upload during the fortnight take benefit of their expertise in the >>> field. Members are requested to use unique subject line for each upload and >>> number their successive uploads serially so that threads don't get mixed up >>> and we are able to keep a tally of uploads. Subject line may be: >>> 1. For already identified plants: "Orchidaceae Fortnight: >>> .........................(**scientific name) from >>> .............(place).....(your serial number of uploads during >>> Euphorbiaceae Fortnight e.g. GS1, GS2, etc.). >>> >>> 2. For uploads meant for ID: "Orchidaceae Fortnight: >>> ..................(unique code consisting of ddmmyyyy+your initials+your >>> upload number for the day. my second upload today would be 25102013GS2) >>> from..............(Place).....**(your serial number of uploads). >>> >>> I take this opportunity to thank Dr. Balakrishnan and Dr. Tapas >>> Chakrabarty on behalf of all members for having agreed to coordinate this >>> episode in November. >>> >>> We will reschedule Gymnosperms to some future month. >>> I request more experts to come forward to volunteer for coordination. >>> >>> >>> >>> >>> 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://www.gurcharanfamily.com/> >>> http://people.du.ac.in/~**singhg45/ <http://people.du.ac.in/~singhg45/> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "efloraofindia" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to indiantreepi...@**googlegroups.com. >>> To post to this group, send email to [email protected]**. >>> >>> Visit this group at >>> http://groups.google.com/**group/indiantreepix<http://groups.google.com/group/indiantreepix> >>> . >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>> . >>> >> >> >> >> -- >> With regards, >> J.M.Garg >> http://en.wikipedia.org/wiki/**User:Jmgarg1<http://en.wikipedia.org/wiki/User:Jmgarg1> >> 'Creating awareness of Indian Flora & Fauna' >> The whole world uses my Image Resource of more than a *thousand species*& >> eight thousand images of Birds, Butterflies, Plants etc. (arranged >> alphabetically & place-wise): http://commons.wikimedia.org/** >> wiki/Category:J.M.Garg<http://commons.wikimedia.org/wiki/Category:J.M.Garg>. >> You >> can also use them for free as per Creative Commons license attached with >> each image. >> For identification, learning, discussion & documentation of Indian Flora, >> please visit/ join our Efloraofindia Google e-group (largest in the world): >> http://groups.google.co.in/**group/indiantreepix<http://groups.google.co.in/group/indiantreepix>(more >> than 2185 members & 1,66,500 messages on 30/9/13) or Efloraofindia >> website: >> https://sites.google.com/site/**efloraofindia/<https://sites.google.com/site/efloraofindia/> >> (with >> a species database of more than 8500 species & 1,70, 000 images). >> Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of >> India'. >> > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. 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