Didierea madagascariensis Baill., Bull. Mens. Soc. Linn. Paris 1: 258 (1880) (syn: Didierea mirabilis Baill.);
Didierea mirabilis Baill.

Image by Aarti S. Khale

Cactus for ID : Flower Show,Mumbai : 071012 : AK-2: Again seen at the Flower Show in Mumbai on 19/2/2011.

A cultivated, potted cactus.

May be a pacypodium???

if its a pachypodium its not strictly speaking a cactus…
pacypodiums are from Madagascar…
I am not sure really of its id exactly… but the stem reminds me of one…
will need help from a succulent expert…

it is dideria sps.

Didierea madagascariensis Baill.