Twelve flowers clustered on three 1-cm lateral inflorescences from a monopodial, epiphytic plant grown on a 14-cm stick; sepal and petal base color pale yellow-green, marked red-violet, petals hirsute distally; lip hirsute, deeply saccate, entrance to nectary tinged violet-red, apex clear green; substance heavy; texture crystalline; recognized for rarity in cultivation; origin: Taiwan; identified by: Lee, Yung-I PhD.
Gastrochilus rantabunensis been confirmed to be Gastrochilus rantabunensis by SITF (May2010) with assistance of Yung-I Lee.