Climber or shrub, up to 4 m. Young parts ferruginous-tomentose, soon glabrescent. Twigs almost straight, often angular, internodes c. 3-5 cm; thorns 1—2(-3) mm, patent or slightly recurved. Leaves subcoriaceous, elliptic to oblong, slightly obovate, (6-)10-14 by (2¾-)3.5-5.5 cm; base cuneate, often subtriplinerved, top acuminate with acute tip c. 0.75 cm; midrib above sulcate in the basal part; nerves (6—)7—8(-10) pairs, glabrous to early glabrescent; petiole (7—) 10—14(-18) mm, hairy as the twig. Flowers (3-)5-10(-15) in a terminal raceme. Pedicels rather vigorous, in the axils of the upper leaves or in the axils of very soon caducous c. 4 mm long narrow bracts, c. 2-4 cm long, widened at the top, hairy. Buds approximately globular, pointed. Sepals c. 9-12 by 11 mm, outside densely orange-yellow puberulous, the outer pair coriaceous, the inner pair thinner, flattish, suborbicular, with membranous margin. Petals light red, obovate, c. 12-15 by 8-9 mm, puberulous towards the base on both sides, the margins crisp, except at the base. Torus c. 5(-6) mm wide, flattish. Stamens c. 60-70, c. 27 mm long, whitish. Gynophore 2¾-4.5 cm long, light red, glabrous, ovary ellipsoid to ovoid, 2.5 mm long, with umbonate stigma, green, glabrous. Fruit globular, deep yellow, 3.5 cm in diam., pericarp soft-woody, 4 mm thick. Seeds 15-17 by 14 by 6 mm.
A creeper reported clinging to trees in dense jungle, and from dry, almost bare lime-cinder ledges, at low altitude.
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