Monographs Details: Actinostemon depauperatus Pax & K.Hoffm.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Euphorbiaceae
Description:Distribution and Ecology - Known only from the type.

Discussion:

Type. Surumu, in forest of Serra de Mairary, alt 900 m, Rio Branco, Brazil, Feb 1909, E. Ule 7947 (photo of Berlin type in NY).

Note; Actinostemon guyanensis Pax & K. Hoffm. (Pflanzenreich 52: 80. 1912 ), British Guiana, Schomburgk 1412, had no flowers or fruit. The type was in Berlin, and was destroyed.