Stems: sheathing bracts 3-5. Inflorescences: floral bracts lanceolate to triangular-ovate, 5-10 × 2-6 mm. Flowers 5-25; pedicels 8-20 mm; lateral sepals oblong-ovate to oblong-lanceolate, falcate, apex acute; petals weakly to strongly recurved, elliptic, oblong-obovate, oblanceolate, or obovate, falcate; lip ovate to obovate, clawed, shallowly 3-lobed, fissure between lobes less than 2 mm deep, middle lobe ovate to suborbiculate, margins undulate, apically rounded to truncate, lateral lobes incurved, broadly rounded to obtuse, margins entire, apically triangular to rounded; lamellae 5(-7), central, purple to white; column white to yellowish white, apically winged, 11-18 mm; anthers whitish to yellow.