Perennial herb, up to 1 m high. Young stems with an indumentum of stellate-hispid hairs projecting 1-2 mm. Leaves 5-7-nerved at base. Stipules 5-7 mm long. Petals 5.0 x 2.5 mm. Epicalyx of 5 or 6 bracts, 2 mm long. Flowers white or pinkish.
Flowers up to 1 cm. in diam. (small for the genus), white or pinkish, solitary, axillary; peduncle up to 7 mm. long, not conspicuously articulated.
Perennial herb up to 100 cm. tall; young stems patent-stellate-hispid, hairs 1–1·5 mm. long.
Calyx 3–3·5 mm. long; lobes 3 × 1·5 mm., ovate-triangular, shortly connate at the base.
Petals 5 × 2·5 mm., obovate-elliptic, stellate-setulose outside, glabrous inside.
Staminal tube 2·5 mm. long; free parts of filaments less than 0·5 mm. long.
Capsule 6 mm. in diam., subglobose, minutely pubescent.
Epicalyx of 5–6 bracts; bracts 2 mm. long, filiform.
Seeds with white silky floss.
Style-branches 1·5 mm. long.