A slender annual with capillary stems, 8-12 cm. Stems glabrous or sparsely hairy below, erect to ascending. Leaves few, 10-13 mm, linear-subulate, glabrous, acute, the base sparsely ciliate. Flowers in dichasial cymes. Pedicels capillary. Sepals 4, 4-5.5 mm, lanceolate, glabrous with serious margin, midrib prominent. Petals shorter than the sepals, white, shortly bilobed into linear lobes. Capsule splitting to the base by 4 valves. Seeds tuberculate.

Fl. Per.: April. Fr. Per.: May.

Type: Iran: Hab. in montibus prope Yezd Pensiae orientalis ad pagum Maswar, Buhse (G).

Distribution: Iran, Afghanistan, Soviet Central Asia (Pamir Alai, Turkmenistan), Pakistan.