Dendrobium aphytlum (Roxb.) C.E.C.Fisch was observed to exhibit intraspecific colour variation in its natural populations of West Bengal. Variations were observed in floral parts such as sepals, petals, and lip.The normal floral colour was pinkish white with pale yellow lip. The plant that showed variations was observed with pale purplish off-white flowers having pale lemon-green lip. The present communication reports these variations, in detail.