Liana or scandent shrub, armed with small, scattered, recurved thorns, the branchlets puberulent when young becoming glabrous. Leaves large, bipinnate, the pinnae usually about 10 pairs opposite on the rachis, the leaflets nearly 20 pairs per pinna; petiole 2 or more cm. long, puberulent above, bearing 1 or 2 cupulate, sessile glands; rachis up to 20 or more cm. long, similar to the petiole, bearing cupulate glands just below insertion of all or most pairs of pinnae; pinnular rachis 4-5 cm. long, presumably puberulent and with occasional small glands at the distal rachial nodes; leaflets linear-oblong, 8-10 mm. long, somewhat falcate, briefly mucronate apically, obliquely subtruncate basally, reportedly glabrous in a frag-ment of the type but appressed-pubescent below, the costa markedly excentric; stipules obovate? Inflorescence of 1 to few pedunculate spikes from subterminal, defoliate or minutely foliate nodes, thus appearing paniculate early; peduncles 1-2 cm. long, puberulent; spikes 10-12 mm. long, dense. Flowers subsessile, presum-ably whitish; calyx cupulate, about 2 mm. long and equally as broad, glabrous, moderately lobed; corolla cylindric-campanulate, about 4 mm. long, glabrous, rather briefly lobed; stamens many, 7-8 mm. long. Legume linear-oblong, flat, thin, stipitate, glabrous.
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