Prostrate or tufted multi-stemmed perennial; stems to 30 cm long with spreading or curved hairs 0.3-0.5 mm long. Leaves narrowly ovate to oblong in outline; stipules 2-3 mm long; petiole 1-2 mm long; gland with stipe 0.3-0.6 mm long; head concave 0.3-0.4 mm diam.; rachis 10-20 mm long; leaflets 6-17 pairs, oblong-linear, 3.5-5.5 mm long, 0.4-1.3 mm wide, glabrous or with spreading hairs beneath; venation prominent beneath. Inflorescence 1-flowered, slightly supra-axillary; pedicels filiform, 20-30 mm long, rarely shorter. Sepals c. as long as petals. Petals 3.2-4.5 mm long. Stamens 4; anthers 2-2.5 mm long. Ovary appressed-pubescent; style short, flared. Pod to 3 cm long, 3-3.5 mm wide, appressed-pubescent.