Cormous geophyte, 23-75 cm, with several short, wiry branchlets. Leaves 3, lower 2 sword-shaped, upper leaf sheathing. Flowers 1-3 per branch, white to pale blue-mauve with yellow cup (red-purple or mauve with white cup elsewhere), tube narrowly funnel-shaped, 7-10 mm long, filaments exserted 2-4 mm.