from the IOSPE, 

“This species occuring in Hainan province of China, Assam, eastern Himalayas, Nepal, Bhutan, Myanmar and Laos in open forests on tree trunks at elevations of 700 to 1500 meters as a smaller sized, warm to cool growing epiphyte with clustered, branching, fusiform to ovoid-oblong, 4 ribbed, somewhat flattened pseudobulbs carrying a single, terminal, thickened, leathery, rigid, oval to oblong, obtuse, notched leaves that blooms in the early spring on a short to 6” [to 15 cm] long, arching to pendant, simultaneously 1 to 5 flowered racemes that arise from near the apex of the leafed psudobulb and carrying short-lived, wide open, honey scented flowers.

This orchid is a spring bloomer that needs a dry winter rest with full sun and is best mounted on tree fern plaque to accommodate the pendent inflorescence.

This species is often confused with D. lindleyii but this species has a few flowered inflorescence while the other has many flowers. It has a bilobed lip while D lindleyi is entire. It has clustered, sulcate, ovoid, flattened pseudobulbs carrying a single, apical, ovate, thick, shiny, persistent leaf.”

Available plants are well rooted in 2″ pots.  The picture is representative of the size plants available.