Ueang Sri Chiang Dao
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Terrestrial orchid, 10-25 cm high. Leaves broadly ovate, 8-10 parallel nevers, blade with purplish-red patches all over. Inflorescence 10-30 cm high, 4-12 flowered. Flowers pink to pinkish-white : wings broadly orbicular, greenish-pink : lip sparse with red and pinkish-red colour, apical part expands to 3 shallow lobes, 10-11 mm ; pollinia large ; spur funnel form, slightly curved, 11-14 mm.
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A new spicies, endemic to limestone mountain at Doi Chiang Dao, Chiang Mai, in northern Thailand, at elevations of 1,800-2,000 m. Flowering from April to June.
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