Erect terrestrial herbs to 70 cm. tall. Leaves 25-60 cm. long and 4-7.5 cm. broad, contracted at the base into a short, stout, sheathing petiole. Inflorescences erect racemes, equaling or slightly exceeding the leaves, produced from, the sheath-ing base of the leafy petiole. Flowers relatively large, reddish bronze, the lip lighter with reddish bronze markings. Dorsal sepal oblong-ovate, obtuse, concave, 3.2-3.5 cm. long and 1.5 cm. broad, lateral sepals subequal to the dorsal sepal, the bases oblique, forming a short rounded mentum with the foot of the column. Petals obovate, obtuse, oblique, 2.8-3 cm. long and 1.3-1.5 cm. wide. Lip entire, 2.5-3 cm. long, and 2.5-3 cm. wide, suborbicular when spread out; basal callus narrow, about 1.5 cm. long. Column slender, arcuate, 2.5 cm. long, produced at the base into a foot.
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