A small herb. It grows 10-20 cm high. It branches at the base into several erect stems. The leaves are 5-18 cm long. They are narrowly sword shaped. They are rounded or heart shaped at the base. The flowers are in groups that occur singly at the top of the plant. There are 12-20 flowers in a group. The fruit are hollow pods 5 cm long and 1 cm wide.
Perennial herb, 100-200 mm tall. Leaves 6-7 times as long as broad, linear-lanceolate to ovate. Umbels solitary and terminal, 12-25-flowered. Peduncles 15-65 mm long. Corolla lobes reflexed orreflexed-spreading, with upcurved tips, glabrous inside or minutely puberulous at base. Flowers purplish.