Erect, perennial herb, 100-200 mm high. Stems not twining. Leaves with blade linear, 30-50 x 0.7-1.5 mm. Flowers: in almost sessile, 1-5-flowered, subumbellate inflorescences; corona dorsiventrally flattened, tapering into a long fine needle-like apex; style head conical; corolla lobes basally united, 4-6 mm, brown; Oct.-Mar. Fruit a winged follicle.
An erect herb that keeps growing from year to year. It grows up to 20 cm tall. The leaves are simple and like threads. They are 3-5 cm long and 1 mm wide. The flowers are small and white to green. They occur as 1-5 in a group. The fruit are spindle shaped and occur in pairs with many seeds.