Cormous geophyte, 120-350 mm tall, stem often 1-few-branched, smooth. Leaves lanceolate to oblong, more-or-less plane, smooth or margins ciliate, sometimes lightly undulate, sheaths cobwebby. Flowers in a 3-10-flowered, secund to spiral spike, bilabiate, mauve with yellow-green nectar guides, perianth tube 8-16 mm long, dorsal tepal 23-28 mm long, ovary smooth, bracts smooth, inner forked to middle.