Perennial herb, 150-600 mm high. Stems 1 or 2; if branched, then at base of stem. Leaves erect-spreading; blade 55-165 x 2.0-9.5 mm, margins revolute, lower surface along midrib pubescent otherwise glabrous. Flowers: mostly in solitary, terminal, 2-5-flowered umbels; corona lobes 9-17 mm long with keels 2.5-4.5 mm high and 2.5-6.5 mm long, always shorter than lobe; corolla globose or globose-campanulate, 24-50 mm long, lobes 10-24 x 16-27 mm, pale green, dull cream-green becoming cream-brown with age; Nov.-Feb. Fruit a follicle.
Inflorescence 3-5-flowered; corolla 24-50 mm long with lobes 10-24 mm long; corona lobes 9-15 mm long.