Woody climbers, large. Young shoots densely rusty pubescent. Leaves 12-22 cm; rachis, petiole, and petiolules densely rusty pubescent; leaflets 4 or 5, ovate, 6-8.5 × 3.5-4 cm, leathery, abaxially densely rusty pubescent, adaxially glabrous, base cuneate or rounded, apex obtuse, sometimes emarginate, acute when young; terminal leaflets largest. Panicles axillary, lax, (3.5-)6-8.5 cm; peduncles short, ca. 1 cm, rusty pubescent as rachis, branches, and pedicels. Flowers 5-6 mm; bracts and bracteoles deciduous, ovate, puberulent, obtuse. Calyx campanulate, 3-4 mm, outside rusty tomentose, 5-toothed; lowest tooth longest, lanceolate, others subequal, triangular, obtuse, upper 2 subconnate. Corolla white; petals long clawed; standard reflexed, suborbicular, slightly emarginate, wings and keel auriculate at base; wings oblong. Stamens 9, monadelphous; filaments free in upper 1/4 and alternately shorter and longer. Ovary long stipitate, puberulent as stipe, 2-ovuled; style subulate, slender; stigma minute. Legume yellowish brown when dry, ligulate to strap-shaped, thinly leathery, finely reticulate throughout, somewhat shiny, 1-or 2-seeded. Fl. Mar-Apr, fr. Jun-Aug.
Home