Euphorbia royleana from Cactus Garden Panchkula

[Gurcharan Singh]

Euphorbia royleana Boiss. in DC., Prodr. 15(2): 83. 1862.

syn: Euphorbia pentagona Royle

Common names: Danda thor (Punjab, Jammu), Thor, shakarpitan, suli (Hindi)

Succulent spiny shrub or small tree, up to 6 m tall; branches 5-7 angled, 5-7 cm thick, angles more or less undulately winged with paired 3-5 mm long stipular spines on distinct shield, with broad flat faces between; leaves alternate, sessile or sub-sessile, oblanceolate-spatulate, 5-15 cm long; cyathia sessile, in threes, yellowish; glands transversely oblong, ochreous; fruit triradiate, smooth, glabrous. 

Common in subtropical tracts of Morni, Jammu, Udhampur and Jammu, Pakistan and Nepal. Photographed from Cactus Garden, Panchkula in April, 2011

--
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/

[Gurcharan Singh]

The last two photographs from Near Nandini between Udhampur and Jammu in J & K state, taken on August 22, 2011

-- 
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/ 

[Balkar Arya]

Thanks for reminding that nice tour Sir

--
Regards

Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology
Arya P G College, Panipat
Haryana-132103
09416262964

[Tanay Bose]

Thanks Sir Ji for the post seen this plant many times 

but never got an oppertunity to see the flowers .

Tanay

--

Tanay Bose

Research Assistant & Teaching Assistant.
Department of Botany.
University of British Columbia .
3529-6270 University Blvd.
Vancouver, B.C. V6T 1Z4 (Canada)
Phone: 778-323-4036 (Mobile)

           604-822-2019 (Lab)

           604-822-6089  (Fax)

ta...@interchange.ubc.ca

Webpages: 

http://www.botany.ubc.ca/people/mberbee.html

http://www.botany.ubc.ca/people/gradstud.html

https://sites.google.com/site/efloraofindia/