Schefflera tremula (Krug & Urb.) Alain

Didymopanax tremulus Krug & Urban, Symb. Ant. 1 : 206. 1899.
Tree, up to 20 m. high, glabrous throughout, the branchlets stout, terete; leaves and inflorescences at the apices of branchlets; petioles terete, sitrate, 10-14 cm. long, the sheath about 15 mm. broad, the ligule 5-10 mm. long; leaflets 4 or 5, the petiolules up to 7 cm. long, often jointed at the base, the blades broadly ovate or rhombic-deltoid, 7-12 cm. long, 5-9.5 cm. broad, acute to truncate at the base, acuminate at the apex (the acumen 1-2 cm. long), entire and slightly thickened at the margins, the costa and few straight spreading lateral nerves slightly raised on both surfaces; inflorescence a lateral compound panicle, up to 15 cm. long, umbellately divided from the base, each branch proliferous-umbellate (or imperfectly so), the ultimate portions compound-umbellate, the bracts oblong, not more than 5 mm. long, the pedicels 4—10 per umbel, up to 4 mm. long; calyx obconic, about 1 mm. long, 1.5-2 mm. broad; bud often apiculate, the petals ovate-deltoid, about 2 mm. long and 1.5 mm. broad, acute; filaments about 2 mm. long, the anthers oblong-deltoid, about 1 mm. long, obtuse at both ends; styles about 1 mm. long, free to the base, the summit of the ovary somewhat flattened; fruit subglobose-flattened, 3-4 mm. in diameter, the styles recurved.
Type locality: Santo Domingo.
Distribution: Santo Domingo and Haiti, 400-1700 m.