Suffrutex producing at ground level annual herbaceous stems up to 30 cm high from a number of underground rhizomes; aerial stems unbranched (rarely branched after damage to the main apex), longitudinally striate, pubescent or glabrous. Leaves pubescent or glabrous: petiole 2-6 cm long; rhachis (0)1.5-9 cm long; pinnae (1)2-6 pairs; rhachillae 2-11 cm long; leaflets 4-13(21) pairs per pinna, 5.5-15 x 2-6.5 mm, very oblique, ovate to ovate-oblong, broadly truncate basally. asymmetric and attached by one corner, midrib starting in the distal corner of the leaflet-base and gradually becoming almost central in the leaflet, usually with 2-3 other prominent veins arising from the leaflet-base, midrib and lateral nerves prominent above and below, acute or distinctly mucronate apically. glabrous or sparingly pubescent on the margins. Racemes axillary, often solitary, on the lower or the apical part of the stem, 3.5-6 cm long (including the peduncle), glabrous or very sparingly pubescent. Flowers yellowish-white, on pedicels up to 1.5 mm long, with minute reddish glands at the base of the pedicels. Calyx campanulate, up to 2 mm long, shortly 5-toothed, glabrous. Petals shortly united below, up to 4.5 mm long, 1 mm wide, linear-oblong, inflexed apically, glabrous. Stamens free among themselves, slightly adnate to the corolla basally; filaments up to 7.5 mm long; anthers up to 0.8 mm long, with a deciduous apical gland. Ovary up to 2 mm long, glabrous, sessile. Pod (only one collected) dark purplish-brown, 11x4 cm, straight, compressed, prominently transversely venose.
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