Monographs Details: Palicourea grandifolia (Willd. ex Roem. & Schult.) Standl. var. grandifolia
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.

Psychotria grandifolia Willd. ex R. & S., Syst. Veg. 5: 190. 1819.

Psychotria amazonica M.-Arg., Mart. Fl. Bras. 6(5): 225. 1881.

Psychotria megalophylla M.-Arg., Mart. Fl. Bras. 6(5): 224. 1881.

The Poeppig 2756 collection is transitional to var sprucei, having a glabrous lower leaf surface of var grandifolia but with the midrib and lateral nerves of the lower side of the leaf blade minutely and sparsely puberulent. A similar type of glabrous lower leaf surface with minutely puberulent lower midrib and lateral nerves is shown by the Martius collection in M.