Tree, small, the buttresses narrow and fluted, the trunk somewhat angular. Leaves with 8-14 leaflets, these oblong, up to 20 cm. long, up to 7 cm. wide, the acumen up to 1.5 cm. long, thinly coriaceous, glabrous, the main veins prominulous, branching near the margin, the margin scarcely thickened, irregular, occasionally with small glands (teeth); petiolules subturgid, about 0.8 cm. long; rachises terete; petioles swollen basally for about 1 cm., up to 15 cm. long. Panicles apparently terminal, up to 25 cm. long, the branches well-spaced, 4-5 cm. long, recurved, pu- berulent, 10 to 20 flowered; pedicels slender, about 0.4 cm. long, the pedicellar scars alternate. Flowers about 15 mm. long, the hypanthium urceolate, about 5 mm. long, minutely puberulent, the teeth subequal, deltoid, up to 0.5 mm. long; vexillum orbicular, about 13.5 mm. long, emarginate, glabrous, the basal auricle obtuse, about 0.3 mm. long, the claw up to 1.5 mm. long; wing petals narrowly oblong, up to 11.5 mm. long, the auricles obtuse, glabrous; carinal petals free, oblong-oval, longer than the wing petals, about 13 mm. long, obliquely truncate at the base, the upper auricle somewhat larger than the lower, the claw about 4 mm. long, minutely puberulent; stamens monadelphous, the sheath flat, about 5 mm. long, the filaments variable in length, the lateral ones almost as long as the sheath, glabrous, the anthers about 1 mm. long; ovary short-stipitate, flat, subrotund at the base, narrowly oblong above, about 5 mm. long, about 1.3 mm. wide at the base, villosulose, the style subulate, about 2 mm. long. Fruits suborbicular, up to 8 cm. long, drying tan, the seminiferous area turgid at maturity, the wing paper-thin, glabrous.