Perennial herb with thick fleshy roots. Leaves medium green, 10-12 mm wide, spreading and often lying on ground. Scape c. 30 cm long to the forked inflor; bracts to 3 cm long pale green. A single plant, presumably spontaneous. Flower buds glossy green, flowers lightly fragrant. Perianth 10-10.5 cm long, light or primrose-yellow; tube c. 2 cm long; segments (outer) c. 1.5 cm wide, ± narrow elliptic; segments (inner) c. 2.7-2.8 cm wide, ± broad elliptic but rather twisted and undulate. Stamens c. 6 cm long, pale yellow, curving. Style c. 8 cm long, pale yellow.