Perennial, grass-like herb. Leaves linear, sometimes slightly undulate or with lax spiral twist, 0.1-0.4 m long, scabrid when young. Inflorescence much branched, divaricate raceme, up to 0.3 m long, scabrid when young; pedicels erect in fruit, up to 10 mm long. Flowers white with brown keel, with two yellow spots near base. Flowering time Aug.-Nov. Fruit a subglobose, glabrous capsule.
Rhizomatous perennial, up to 0.9 m tall, roots many, more-or-less wiry and spreading, proliferating from stolons. Leaves many, linear, 1-4 mm wide, firm, scabrid, emerging from a short horizontal rhizome. Flowers white, spotted at base, nodding, in a divaricate panicle, scape scabrid below. Capsule ellipsoidal, ± 5 mm long, held erect.
An erect plant that has a rhizome. It grows 50 cm tall. It grows from a yellow slightly swollen root. The leaves are erect and slightly wavy. They are narrow and somewhat fleshy. The flowers are in a loose branches group. The flowers hang down. They are 8-10 mm long and white. The fruit is an almost round grey-brown capsule.
Rhizomatous perennial to 90 cm, roots many, ± swollen. Leaves many, linear, scabrid, sheathed individually by cataphylls. Flowers in a divaricate panicle, nodding, white, tepals recurved, base of peduncle scabrid.