Perennial herb; caulescent. Stem single, short. Leaves first ascending, later recurving, narrow, grass-like, 400-700 x 2.5-6 mm, triangular in cross section; margins and keel entire. Flowers: inflorescence overtopping leaves, 0.4-0.8 m high, racemes ovoid to oblong, basally medium-lax, apically dense; perianth 7-11 mm long, yellow-green, often tinged red and erect to spreading in bud, whitish to yellow and spreading to pendulous when mature; Jan.-Mar.