Author: (Merrill) K. Larsen
Morphological description
Shrub or small tree up to 5 m tall; young parts puberulous later glabrous.
Leaves with (7-)10-14 pairs of leaflets; stipules linear-lanceolate, acuminate, 3 mm long; petioles up to 1 cm, with a sessile truncate gland halfway between the base and the lower pairs of leaflets; rachis 7-10 cm. Leaflets subcoriaceous, oblong, sessile, glabrous when mature, 1-2.5 by 0.3-0.6 cm; apex obtuse, minutely apiculate, base rounded.
Inflorescence supra-axillary, few-flowered, short racemes, often in pairs; bracts linear lanceolate, c. 2 mm long; bracteoles similar, near the apex of the pedicel.
Flowers Sepals lanceolate to elliptic-lanceolate, c. 8 mm long, densely appressed pubescent in the lower half. Petals yellow, obovate, glabrous, 10 by 7-8 mm. Stamens 10, subequal; filaments c. 1 mm; anthers 3.5-5 mm. Ovary and style 8-10 mm long, appressed pubescent; stigma indistinct from the style, with a bundle of hairs at the apex.
Pods narrowly oblong, oblique at both ends, 3-5 by 0.6-0.8 cm, sparsely pubescent.
Seeds 3 or 4, subrhomboidal, flat, c. 6 by 4 mm.
Distribution
Malesia: Philippines (Mindanao).
Habitat
Along banks or forested slopes of streams, from lowland to 500 m altitude