Monographs Details: Tocoyena guianensis var. communis Steyerm.
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Rubiaceae
Discussion:A specimen from French Guiana (Irwin, Pires & Westra 47993 from Cachoeira Utussansain) is a more scabridulous-leaved form, in which the upper surface of the leaf-blades are more scabridulous, and the nerves of the upper leaf surface are more densely strigose; the petioles also are more densely hirtellous-scabridulous.