Monographs Details: Diacidia duckeana Maguire
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 Cocuy, 22 Sep 1935, A. Ducke 34633 (holotype US)

Additional specimens have now come to hand: C O L O M B I A . Vaupes: Cerro Mitii, Maguire et al 44091 (NY, US, F, C O L ) , 44100 (NY, US, V E N , I A N ) ; opposite Piedra de Cocui, Schultes & Lopez 9891; San Felipe, Schultes et al 18096. V E N E Z U E L A . Amazonas: Cerro Cocuy, Rio Negro, Maguire & Wurdack 34921, 34943; Cerro Nunca, Rio Negro, Maguire & Wurdack 34953.

Diacidia duckeana most probably represents the common expression of a variable species which would include the types of the original D. galphimioides. Nomenclatural adjustment would better await the accumulation of sufficient material to interpret properly the amplitude of the species. Its poUen is 3-colporate, prolate sphaeroidal, ca 22 X 24 ยต