Annual, diffused, much branched, glaucous, scandent herb; juice watery; leaves alternate, exstipulate, simple, 2-3 pinnatisect to decompound with multifid, very narrow, flat segments, base obtuse, margin entire, apex acute; flowers small, in terminal or leaf opposed, lax racemes (5-6 cm), pink or white with purple tips, bracteate, zygomorphic, spurred laterally; sepals 2, valvate, deciduous; petals 2+2, one of outer whorl obtusely spurred; stamens 6, united into 2 bundles on the sides of pistil, anther of central stamen in each 1-celled of lateral ones 2-celled; base of filaments broad; ovary bicarpellary, unilocular, superior, style long or short, stigma obtuse or lobed; capsule1-seeded, globose, rugose or faintly varicose, dry with 2 pits at the top.