Decumbent, diffuse, glabrous suffrutex, up to 0.4 m in height. Leaves phyllodinous, acicular, unarticulated; 2 to 6 per 10 mm length of stem; stipules absent. Inflorescences terminal, 90-290 mm long; rachis smooth; flowers relatively numerous (up to 18 flowers per inflorescence), sparse (up to 2 per 10 mm length of rachis), intermediate (5-13 mm long); pedicel 1-2 mm long. Bract lanceolate, acute, 1.5-2.5 mm long. Bracteoles triangular, acute, 1-2 mm long. Calyx 3-5 mm long, tube 1.0-2.5 mm long, lobes 1.0-2.5 mm long; subequally lobed but the upper lateral sinuses much wider than the medial sinus and the lower lateral sinuses; lobes deltoid, tips minutely pubescent inside. Standard ovate, 5.5-8.5 x 3-6 mm; apex obtuse; claw 1.5-3.0 mm long. Wings oblong to obovate, invariably shorter than the keel, 5.0-9.5 x 1.5-3.5 mm, with 4-5 rows of sculpturing; apex obtuse; claws ±2 mm long. Keel rostrate, not twisted, 6-12 x 3.0-5.5 mm, without pockets; claws 1.0-1.5 mm long. Carpel long stipitate; ovary 2.0-6.5 mm, linear; ovules few to many (4-19); style 4-8 mm long, curved upwards. Pods elliptic, straight, not narrowly winged on the upper suture, up to 75 x 3-8 mm; stipe 12-55 mm long; dehiscent; flat; fruit wall thin, membranous. Seeds oblong-reniform to oblique, 2.9 x 2.3 mm, rugose, dark brown to pink; hilum black.
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Decumbent to diffuse shrublet with branches to 40 cm. Leaves simple, terete, unarticulated. Flowers yellow, wings shorter than keel. Pods long-stipitate, dehiscent, thin-walled.