附生或地生草本，叶数枚至多枚，通常生于假鳞茎基部或下部节上，二列，带状

Epiphytic or the herb leaf pieces up to a few pieces, usually in the upper or lower portion of the base section Pseudobulb, two, or rare strip oblanceolate to narrowly elliptic, generally have a wide base and embrace the prosthesis and the sheath bulbs, the relevant section. Racemes with several flowers or flower, color white, white, white and green, green, yellow, yellow brown, yellow, red, blue, purple.

Attached or ground-based herbs, several pieces of leaves, usually born in the base of false bulbs or the lower section, two columns, ribbon or rare lysing needles to a narrow oval shape, the base is generally wide and surrounded by false bulbs, the relevant section. Total flower sequence number of flowers or flowers, color has white, pure white, white green, yellow and green, pale yellow, yellow brown, yellow, red, green, purple.

Epiphytic or terrestrial herbs with several or more leaves, usually on the base or lower nodes of pseudobulbs, in two rows, banded or rarely oblanceolate to narrowly elliptic, generally with broad sheaths around pseudobulbs and joints at the base. Racemes with several or many flowers, color white, pure white, white green, yellow green, light yellow, light yellow brown, yellow, red, green, purple.