Suffrutex producing at ground level annual procumbent branched stems up to 60 cm long from an elongate rhizome; aerial stems longitudinally striate, glabrous to densely puberulous. Leaves glabrous to densely puberulous: petiole 0.8-1.6 cm long; rhachis (1)3.5-8.5(13) cm long, distinctly sulcate above; pinnae (2)5-10 opposite or subopposite pairs; rhachillae 1.8-6 cm long; leaflets 12-28 pairs per pinna, 2.5-6(9) x 1-1.8(2.25) mm, linear to linear-oblong, glabrous, asymmetric basally, midrib starting in the distal corner of the leaflet-base and gradually becoming almost central in the leaflet, proximal side of base rounded, apex symmetric or asymmetric, acute or obtuse, mucronate, midrib prominent or not, lateral veins indistinct. Racemes axillary, usually solitary, 4.5-9.5 cm long (including the peduncle), glabrous to densely puberulous. Flowers yellowish-white, on pedicels up to 1.25 mm long, pedicels articulated near the middle, with minute glands at the base of the pedicels. Calyx up to 1.5 mm long, shortly 5-toothed, glabrous. Petals free or slightly connate basally, up to 3.25 mm long, 1.25 mm wide, lanceolate, slightly inflexed apically, glabrous. Stamens free among themselves, slightly adnate to the corolla basally; filaments up to 6 mm long; anthers up to 1 mm long, with a deciduous apical gland. Ovary up to 2 mm long, linear, subsessile, glabrous. Pod (only one ever collected) dark reddish-brown, 9 x 3.2 cm, falcate, compressed, prominently transversely venose, umbonate over the seeds. Seeds immature.
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