Cormous herb; corm not collected. Base of stem mauve. Leaves 1-2 larger ones at flowering. Flowers secund and curving forwards. Sheath herbaceous. Perianth 8 - 9.5 cm long, white with pink flush outside and with purple inside tube and on lower lobes inside. Perianth tube 5-6 cm long, expanding towards apex; perianth lobes 3.5-4 cm long, undulate, upper 3 1.2-1.5 cm wide; lower 3 narrower and with purple midvein; lowest lobe this vein a simple purple line and the lateral pair with an additional purple triangular mark c. ⅔rds towards apex. Anther purple-violet. Stigmas white, > anthers and lying under posterior perianth lobe until late anthesis. Grown as this species.