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.
Description:Distribution and Ecology - Known only from the type.


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.