Plant stout, erect, glabrous, 20–32 in. high. Leaves not known. Stem with several distant loose acute sheaths. Spikes elongate, cylindrical, 8–10 in. long, loosely many-flowered. Bracts leafy, erect at first, ultimately reflexed, lanceolate, acute, glabrous, lower exceeding the flowers, upper scarcely equalling them. Pedicels scarcely 5 lin. long. Flowers green. Sepals and petals spreading, connate to the middle into a linear claw; lateral sepals obliquely falcate-oblong, obtuse, 1 1/2 lin. long, odd one linear, obtuse, shorter than the lateral. Petals linear, obtuse, as long as the odd sepal, slightly dilated and puberulous at the apex. Lip galeate, subglobose, scarcely keeled behind, free margin erect, subacute at the apex; mouth much contracted; spurs filiform, spreading or ascending, as long as the pedicels. Column slender, terete, somewhat curved; stigma subquadrate or 4-lobed; rostellum as long as the stigma, subquadrate-oblong, somewhat trilobed, side lobes short, toothlike and acute, middle lobe large, suborbicular, and shortly stalked.