Euphorbia horrida (Cultivated)

 
Image by Aarti Khale - Id by Linda Gleisser & Dr.Sangwan
https://groups.google.com/group/indiantreepix/attach/54daff1507d757be/DSCN3339.JPG?part=0.1&authuser=0&view=1


Euphorbia horrida
(African milk barrel) is a species of flowering plant in the family Euphorbiaceae, native to South Africa.
It is a cactus-like shrub showing remarkable similarities to the true cacti of the New World, and thus an example of convergent evolution.[1] Growing to 1.5 m (4 ft 11 in), it has blue-green, heavily-ridged spiny stems carrying solitary green flowers in summer. In temperate regions it must be grown in heated conditions under glass. It develops new shoots laterally at the base of the plant (offsets), often forming roots and thus a successful means of propagation.[2]
(From on Wikipedia 22.5.13) 



A small cactus with yellow flowers seen at the BBC Show in MNP, Mumbai on 31/3/13.
Cultivated, potted plant.
Euphorbia?
Euphorbia horrida ?
yes, Euphorbia horrida
 
Seen at the BBC Show in Mumbai during March this year.
Suggested id was E. horrida when posted on our group.
Yes, it looks like Euphorbia horrida Boiss., found in Cape Province of South Africa. However, this species is closely related to E. polygona Haw. The two species are often difficult to distinguish.
   
  
 

References:

The Plant List  GRIN  Wikipedia  Cactus Art 

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