Erect shrub, 2-3 m. tall. Stem much branched, woody with the bark peeling off, sparsely hairy. Leaves pinnate, 5 foliolate with 3 upper leaflets and 2 lateral and distant leaflets. Stipules membranous, brown, auriculate, united near the base, oblong-ovate, acuminate. Leaflets obovate-elliptic, mucronate, ± flat, not revolute, sparsely adpressed hairy above and glabrous to glabrescent below, sessile or with petiolules. Flowers solitary and conspicuous with long (up to 10 cm.), hairy pedicels, 2.5-3.0 cm., outer sepals 1.2-1.4 x 0.4-0.5 cm., obovate-elliptic, longer than the inner oblong-ovate sepals. Petals suborbicular 0.9-1.0 x 0.7-0.8 cm., yellow. Stamens 25, anthers monothecous. Carpels numerous, long-hairy, styles sub-basal, c. 2.0-2.2 mm. long, much thickened above, clavate. Achenes completely concealed in long sericeous hairs.