One new orchid, Trias bonaccordensis Sathish, is described from the Bonaccord forests of Trivandrum, Kerala State, India. Affinities with the related T. stocksii Benth. ex Hook, f., T. disciflora (Rolfe) Rolfe and T. nasuta (Reichb. f.) Stapf are discussed. One new combination, viz. T. crassifolia (Thw. ex Trimen) Sathish, is proposed for the Sri Lankan Bulbophyllum crassifolium. Operculum features of the genus are illustrated and a distribution map is supplied.