Thunia gattonensis
Thunia is a terrestrial orchid, found in Burma, Thailand, South China and India. Plants form clumps of erect, biennial leafy canes/stems terminating in a raceme of white showy coelogyne-like flowers with yellow, purple and orange-marked lips.
Site: They should be grown in a fairly bright situation with adequate fresh air movement to ensure healthy plant growth.
Temperature: The ideal temperature during the growing season should be between 18°C and 28°C.
Water: Water freely all year, sparingly in winter.