Dendrobium crystallinum
This species - epiphyte - can be found in Myanmar, Thailand and Indochina ( laos, Cambodia and Vietnam).
Flowering period is between February and May, 2 to 3 flowers per nod, flower size about 5 to 6cm. Characteristcs of the flower: white sepals and petals with lavender to purple tips. The lip is white, has a yellow base and also light purple tip.