Annual, small, hoary, pubescent herb or undershrub up to 30 cm tall; leaves opposite, orbicular, palmately cleft, segments 5-7, lobes sparsely pubescent, cuneate 3-5 fid; stipules lanceolate; petiole with trichomes; flowers rosy red, bisexual, regular, solitary or paired, sometimes grouped at nodes with short peduncles; bracts- bracteoles present; sepals-5, rigid, ovate, mucronate, imbricate; petals 5, broadly obovate, much longer than sepals, imbricate, purple with a darker eye, glabrous, alternating with 5 glands; stamens 10, free or connate with nectaries at the base, filaments white, slightly monadelphous, glabrous, anthers purple; ovary superior, 5-celled, beaked, ovules superposed, 1 in each locule, styles-5, longitudinally stigmatose, stigma purple; capsule 5 lobed, beaked, that coils up elastically; seeds smooth.