dendrobium-williamsonii

The pseudobulbs of D. williamsonii are foliaged in the upper parts and are up to 12 in/30 cm long . After they reach maturity and shed their leaves ,their upper knots give rise to 1-2 cream -white -to-yellow flowers, 1.8 in /4.5 cm across. The lip is wavy ,with an orange-red spot and a showy frilling . Grow the plants as you would most of the other orchids that are deciduous ,bloom in the spring and come from the medium elevations of Thailand ,Laos, Burma and Vietnam .