Dendropanax gonatopodus (Donn. Sm.) A. C. Sm.

Dendropanax gonatopodus (Donn. Smith) A. C. Smith, Trop. Woods 66: 3. 1941.
Giliberlia gonalopoda Donn. Smith, Bot. Gaz. 55: 434. 1913.
Slender tree, up to 13 m. high, the branchlets stout, rugose, cinereous; petioles slender, up to 12 cm. long, swollen at the base and the apex; leaf-blades chartaceous or thin-coriaceous, broadly elliptic or ovate-elliptic, 1 1-30 cm. long, 5-18 cm. broad, acute to rounded at the base, obtusely short-acuminate at the apex, entire or undulate at the margins, pinnately veined, the costa prominent, the secondary nerves 8-10 per side, straight, spreading, raised on both surfaces, the veinlets reticulate, often prominulous; umbels 10-16 per inflorescence, arranged in terminal or lateral racemes; rachis stout, 2-5.5 cm. long, the peduncles stout, divaricate, 2-6 cm. long, conspicuously bracteate, articulate, and usually geniculate slightly below the middle (the bracts coriaceous, about 1 mm. long, connate); flowers 20-50 per umbel, the receptacle 4-6 mm. broad, the pedicels slender, 2-12 nun. long; flowers 5-merous, the calyx obconic, about 2 mm. long and 1.5 mm. broad; petals oblong, 1.5-2 mm. long, 1-1.5 mm. broad; filaments carnose, 1-2 mm. long, the anthers subglobose-oblong, small; styles connate, free distally, forming a carnose column about 0.5 mm. long; fruit coriaceous, subglobose, 3-4 mm. in diameter, the styles free and recurved in the distal half; seeds 5.
Type locality: Costa Rica.
Distribution: Costa Rica and western Panama, up to 1400 m.