leaves several in a fascicle, not developed until after flowering, much shorter than the scape, linear, acute, somewhat spreading; scape erect, 12–16 in. high, covered with short acute or acuminate cucullate sheaths; spikes dense, subcorymbose or oblong, several-flowered; bracts ovate-lanceolate, acute, somewhat spreading, shorter than the pedicels; flowers whitish-yellow, among the largest in the genus, somewhat spreading, deflexed after flowering; sepals subequal, lanceolate, acute, over 3/4 in. long, 1/4 in. broad; petals ovate, acute, as long as the sepals, 1/2 in. broad; lip with cuneate base, 3-lobed; side lobes short, acute; front lobe ovate, obtuse or subacute, twice as long as the side lobes; disc with about 6 thickened subcristate nerves; column over half as long as the lip; foot produced and forming with the base of lip a short conical spur; anther emarginate at the apex. null
