Monographs Details: Sipapoa ferruginea Maguire & K.D.Phelps
Authority: Maguire, Bassett. 1969. The botany of the Guayana Highland-part VIII. Mem. New York Bot. Gard. 18: 1-290.
Family:Malpighiaceae
Discussion:

Type. Cerro Parii, Rio Ventuari, Amazonas, Venezuela, 4 Feb 1951, Cowan & Wurdack 31233 (holotype NY). Known only from the cumbre of Cerro Paru: Phelps & Hitchcock 516; Cowan & Wurdack 31066, 31079, 31080, 31081, 31150, 31171.