plant about 10 in. high; stem rather slender; leaves about 7, somewhat arching, narrowly linear, acute, slightly broader in the upper half, 5–6 in. long, with a few membranous sheaths below; scapes about 10 in. high, with several lanceolate acuminate sheaths, 1-flowered; bracts lanceolate, aristate-acuminate, 9–10 lin. long; pedicels about 1 in. long; flowers large; dorsal sepal galeate, broadly ovate, subobtuse, 7–8 lin. long; spur conical, with obtuse or rounded apex, about 3 lin. long; lateral sepals ovate or ovate-oblong, subobtuse, spreading, 5–6 lin. long; petals strongly falcate, base obliquely dilated into a rounded crenulate lobe, about 2 lin. broad, apex 2-lobed, with acute front lobe and broader crenulate back lobe; lip unguiculate; claw 3–5 lin. long; limb abruptly dilated, 3-lobed, with linear acute crenulate lobes, side lobes 3 lin. long, front lobe twice as long; column broad, 2 lin. long; anther reflexed; rostellum 3-lobed; stigma pulvinate. null