Semiherbaceous liana climbing to the top of trees, soft-villous all over, generally with tendrils. Leaves trifoliolate; stipules acuminate, ca 2 mm long; petioles 3-7 (12) cm long; leaflets broadly lanceolate to elliptic, broadly rounded to acute and sometimes retuse at apex, rounded-truncate at base, 6-12 cm long, 3-6 cm wide, darker above than below, the veins finely reticulate. Racemes terminal; peduncles to 25 cm long; rachises to ca 10 cm long; flowers bright red turning lavender on drying; pedicels ca 2 mm long; calyx ca 1 cm long, lobed ca one-fourth its length, bilabiate, the upper lip with 2 minute teeth, the lower with 3 acute teeth, gibbous at base; petals subequal, to ca 3.5 cm long; standard oblong-ovate, ca 1 cm wide; wings ca 5 mm wide, the keel flaring open; stamens 10, diadelphous, barely exceeding the petals. Legumes oblong-elliptic, 4.5 cm long and 2 cm wide, beaked, densely appressed-pubescent, the trichomes acicular, the beak attenuate, to 2 cm long; seeds 3-6. Croat 8304.