Medium sized epiphyte. Pseudobulbs spindle shaped, to 50 cm long, clustered. Leaves 3?5, ovate, to 16 cm long, to 2.5 cm wide. Flowers 10-50, to 5 cm wide, fragrant, white or cream. Sepals ovate. Petals almost round, wider than sepals. Labellum entire, almost round, densely hairy, margins fringed, goldenyellow; spring to summer.
Occasionally cultivated are:
D. farmeri Paxton, which is similar to D. densiflorum but the sepals and petals are white or pink and the labellum yellow.
D. griffithianum Lindl., which resembles D. farmeri but the labellum is a richer golden yellow.
D. jenkinsii Lindl., which has short, mat-forming, compressed pseudobulbs and 1?3 large golden flowers in each inflorescence.
D. lindleyi Steud., which differs from D. jenkinsii by its larger non-compressed pseudobulbs and more numerous flowers in each inflorescence. Syn. D. aggregatum Roxb.
India and Nepal, China, Burma,Thailand and Laos.
Source: (2005). Orchidaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.