Dendrobium denneanum var. occulatum

Dendrobium denneanum var. occulatum is found in the Chinese Himalayas, western Himalayas, Assam, eastern Himalayas, Nepal, Myanmar, Thailand, Laos, Vietnam and Taiwan on tree trunks in open forests at elevations of 600 to 2500 meters as a medium to large sized, warm to cold growing epiphyte with robust, pencil thin stems carrying several, oblanceolate to oblong, blunt to subacute apically leaves that blooms on a subapical, on leafless stems near the apex, stiffly arching, 5 to 15 cm long, 3 to 7 flowered inflorescence with prominent floral bracts

Synonyms Callista clavata Kuntze 1891; Dendrobium aurantiacum var. denneanum (Kerr) Z.H. Tsi 1999; Dendrobium clavatum Wall. ex Paxton 1852; Dendrobium rolfei A.D. Hawkes & A.H. Heller 1957;