Ueang Sri Arkanay
Terresttrial orchid, 12-40 cm high. Leaves broadly oblong-elliptic, 12-20 parallel nevers, blade sparse with purplish-red patches. Inflorescence 10-25 cm high, 6-40 flowered. Flowers pinkish-white with pinkish-red dots, apical part expands to 3 distinct lobes ; spur funnel form, staight and slightly curved, shorter than 8 mm.
A new species, distributed along limestone ranges, from nortern Thailand, Shan State in northern Myanmar, and Yunnan in Shuthern China ; at elevations of 800-2,200 m. Flowering from March to June.