Tufted perennial, to c. 10 cm tall; foliage greyish; stems hirsute, hairs 1-1.5 mm long. Leaves narrowly oblong in outline; stipules 2.5-4 mm long; petioles 1.5-2 mm long; gland with stipe 0.3-0.4 mm long; head concave, 0.2-0.4 mm diam.; rachis 10-20 mm long, hirsute beneath; leaflets 10-18 pairs, linear-oblong, 4.5-7 mm long, 0.2-2 mm wide, with long, soft hairs beneath and on margins; venation conspicuous beneath. Inflorescence 1-flowered, sometimes slightly supra-axillary; pedicels filiform, 20-25 mm long. Sepals slightly shorter than petals. Petals 3.5-5.5 mm long. Stamens 5; anthers 2.5-3 mm long. Ovary appressed-pubescent; style short, distinctly flared. Pod to c. 2.5 cm long, 2.5 mm wide, appressed-pubescent.