Shrub (0.45)1-2 m tall, much branched. Stems arching to procumbent or ascending; branches 4-lined at first, soon terete. Leaves sessile, 30-90 mm long, 10-32 mm broad, oblong or ovate-oblong to elliptic, apex obtuse or rarely acute to apiculate or rounded, base cuneate to rounded, venation + densely reticulate. Inflorescence of 1-3 (-6)-flowered cymes; flowers 3.5-7.5 cm in diameter. Sepals 5-8 mm long, ovate to elliptic-oblong, acute to rounded, entire, erect in bud, spreading in fruit. Petals narrowly obovate, 15-30 mm long, 1.3-1.3 x longer than the stamens. Stamens c. 30 in each fascicle. Ovary 4-6 mm long; styles c. 2 x longer than the ovary, free, erect or slightly outcurving. Capsule 9-17 mm long, ovoid to ovoid-conic, without vittae or vesicles. Seeds c. 1 mm long, apiculate, narrowly carinate; testa very shallowly linear-foveolate to ribbed-scalariform.