Dendrobium gratiosissimum
 
Plants bloom in spring with 1 to 3 flowers. Flowers are 6 to 7 cm wide.
Distribution
Plants are found in dry deciduous and evergreen lowland and montane forest in Hainan China, Assam, Laos, Thailand Vietnam and Burma at elevations of 0 to 1600 meters.
Culture
Plant grows in cool to hot temperatures with medium amounts of light. Keep plant moist and fertilize during growth season. During winter reduce watering until new shoots appear. Grow in a well drain mix of sphagnum moss or medium fir bark.