Cyperus difformis and C. fuscus are two distinct species, recognised by all prominent Floras
This plant is C. difformis, characterised by globose heads of more than 40 spikes C. fuscus has much fewer spreading spikes http://australian-insects.com/lepidoptera/plants/cype/cyperus-difformis.jpg http://luirig.altervista.org/cpm/albums/bot-hawaii10/04797-Cyperus-difformis.jpg http://luirig.altervista.org/cpm/displayimage.php?album=41&pos=3897 http://www.efloras.org/object_page.aspx?object_id=44822&flora_id=5 -- 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 Sun, Aug 14, 2011 at 11:46 AM, J.M. Garg <jmga...@gmail.com> wrote: > Forwarding again for Id confirmation or otherwise please. > > Some earlier relevant feedback: > > “Correct name for C. difformis is C. fuscus L. in 1753 > > anyhow this picture doesnt look like C. fuscus > -- > > - H.S.” > > > > “C. difformis and C. fuscus are two distinct species as per Kew Plant List > > http://www.theplantlist.org/tpl/record/kew-236342 > It would be good if you inform us about your source as requested by other > members also. > > -- > Dr. Gurcharan Singh” > > > > ---------- Forwarded message ---------- > From: Gurcharan Singh <singh...@gmail.com> > Date: 24 April 2011 09:48 > Subject: [efloraofindia:67909] Cyperus difformis from Tikkar Tal Lake, > Morni > To: efloraofindia <indiantreepix@googlegroups.com>, Flowers of India < > flowersofin...@gmail.com>, Tabish <tabi...@gmail.com> > > > *Cyperus difformis* L., Cent. pl. II:6. 1756 (Amoen. acad. 4:302. 1759) > > A tufted annual with numerous fibrous roots; stems trigonous; leaves > shorter than stem, smooth; spikes small, up to 5 mm long, dark brown, with > scarious margins, forming sessile as well as stalked globose heads. > Photographed on April 10 from wet ground around Tikkar tal lake, Morni, > Haryana. > > Common names: dirty-Dora, rice sedge, small-flower umbrella-plant, variable > flat sedge > -- > 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/ > > > > > -- > With regards, > J.M.Garg (jmga...@gmail.com) > 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. 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: > http://groups.google.co.in/group/indiantreepix (more than 1680 members & > 75,000 messages on 31/7/11) or Efloraofindia website: > https://sites.google.com/site/efloraofindia/ (with a species database > of more than 5000 species) > >
