Cormous geophyte, mostly 150-400 mm tall, stem usually branched, smooth. Leaves linear-lanceolate, pleated, velvety. Flowers several in a dense, erect spike, bilabiate, cream to white, flushed lilac outside, odourless, perianth tube elongate-cylindrical, (30-)35-45 mm long, dorsal tepal 20-23 mm long, ovary smooth, bracts dry, translucent pale brown or colourless with brown flecks, attenuate, inner bract divided in the upper two thirds.