Yagrumo Macho

Didymopanax morototoni (Aubl.) Dec. & Planch Rev. Hortic. IV. 3: 109. 1854.
Panax Morototoni Aubl. PI. Guian. 949. 1775.
Aralia mkans Humb. & Bonpl.; R. & S. Syst. Veg. 6: 701. 1820.
Panax speciosum sensu Eggers, Fl. St. Croix 59. 1879; not P. speciosum Willd.
Didymopanax micans Krug & Urban, Symb. Ant. 1: 204. 1899.
Slender tree, up to 15 m. high, the foliage and inflorescences often clustered at the summit of the slender trunk; petioles glabrous, stout (often 1 cm. in diameter), up to 1 m. in length, the ligule up to 1 cm. long; leaflets usually 10-12, the petiolules straight, up to 14 cm. long, terete, glabrous, the blades coriaceous, oblong or obovate-oblong, up to 45 cm. long and 19 cm. broad (usually about 25 X 8 cm.), often rounded at the base, acuminate at the apex, entire or slightly undulate at the margins, glabrous above, densely and minutely canescent-sericeous beneath, the costa and numerous lateral nerves often prominent; (juvenile leaflet-blades papyraceous, conspicuously mucronate-serrate, hispid-pilose above, sparsely sericeous beneath;) inflorescences at the apices of branchlets, up to 50 cm. or more in length, compoundpaniculate, densely canescent-sericeous throughout (or glabrescent in fruit), the branchlets stout, spreading, the bracts oblong, up to 5 mm. long, the umbels racemosely arranged, the peduncles 10-15 mm. long, the pedicels 7-15 per umbel, 2-5 mm. long; calyx coriaceous, cupuliform, at anthesis 1-1.5 mm. long and in diameter, the teeth callose-tipped, the sinuses flattened; bud subglobose, the petals oblong, 1.5-2.5 mm. long, 1-1.5 mm. broad, glabrous within, the midnerve obvious; filaments short, the anthers subglobose or oblong, 1-1.5 mm. long, apiculate at the apex; summit of the ovary flattened, sparsely pilose; styles distinct to the base, 0.5-1 mm. long; fruit coriaceous, transversely oblong, 4-6 mm. long, 7-10 mm. broad, canescent-sericeous or glabrous, the styles about 1.5 mm. long, recurved, the seeds oblong, flattened.
Type locality: Guiana.
Distribution: Oaxaca, Guatemala, British Honduras. Cuba, Puerto Rico, and southward; also in South America.