Standl., Contr. U.S. Natl. Herb. 20:16.1917
Hemiepiphytic tree, usually less than 6 m tall, probably never a strangler, the trunk to 20 cm diam; stems sparsely long-pubescent to glabrate in age; sap copious, milky. Petioles 5-25 mm long, often conspicuously long-appressed-pubescent; stipules 5-20 mm long, ovate, with long stiff trichomes, sometimes glabrate in age; blades obovate to (less frequently) ovate, abruptly short-acuminate, acute to rounded at base, 6.5-10.5 cm long, 3-7 cm wide, glabrous or long-pubescent especially on veins below, the veins at base 3 (5), palmate, the major lateral veins in usually 2 pairs above base (sometimes 3 or 4). Figs paired, globose, 5-8 mm diam, glabrous, sessile, red at maturity; ostioles slightly raised; basal bracts 2, semicircular, to 2 mm long, with long stiff trichomes. Croat 6822.
Collected mostly along the shore; occasional in the forest.
Ficus colubrinae was considered synonymous with F. hartwegii (Miq.) Miq. by DeWolf (1960) in the Flora of Panama. W. C. Burger (pers. comm.) believes the two species are distinct, with F. colubrinae found only from sea level to 800 m and F. hartwegii from 900 m to 1,600 m.
Guatemala and Belize to central Panama; sea level to 800 m. In Panama, known from tropical moist forest on the Atlantic slope of the Canal Zone and in Bocas del Toro, Colón, and Darién, from tropical wet forest in Colón, and from premontane wet forest in Coclé (El Valle).