A key to the subspecies of Schizochilus cecili

1a Spur less than 0.6 mm long; flowers white with a yellow lip subsp. transvaalensis
2a Spur more than 0.6 mm long; flowers yellow subsp. culveri
3a   subsp. cecilii

World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; accessed 28/12/2014