E. f. var
crassicaulis Rauh 1966 by Woot.
And its flower.
This member of the Euphorbiaceae family was described by
Jacques Désiré Leandri in 1946. It is found in the Taolanaro Province,
southern Madagascar, growing in a well drained soil with some water and
some sun. The caudex can grow to three centimetres in diameter,
the plant up to fifteen centimetres height. The
flowers are greenish.