Annual, erect, hispid unarmed undershrub; branches hairy or prickly with bulbous base or with small tubercles; leaves alternate, orbicular, palmately 3-5-lobed, glandular beneath, unequal, margins serrate; stipules subulate, lanceolate, caducous; flowers solitary, axillary or in terminal racemes; peduncles shorter than petioles; epicalyx 4-6 lobed, broad, leafy, usually falling before anthesis; sepals-5, hispid, connate for the whole length, spathaceous in bud; corolla white turning pink or mauve with dark rosy centre; petals 5, obovate; stamens numerous, anthers monothecous, reniform, filaments coherent forming a slender, columnar staminal tube about half the length of petals, 5-toothed at the summit; ovary 5-8 celled, ovules 3 or more in each, style-5, connate below, stigma capitate; capsule 3-5 cm, elongated-ovoid, slightly curved, 5-angled, obtuse or acuminate, densely tomentose, covered with viscid points; seeds globose, brown-black, covered with fine hairs.