Japan Flora: Delicate white saprophytic herb, 5-15 cm. high; stems usually simple; scalelike leaves lanceolate or narrowly ovate, 3-4 mm. long, acute; inflorescence simple or a once-branched umbel, 1- to 12-flowered, dense, the bracts simulating the scalelike leaves; flowers erect, 8-10 mm. long, white, with a yellow hue above, short-pedicelled, winged, the outer perianth-lobes ovate, acute, 1.5-2 mm. long, the inner perianth-lobes absent；Aug.- Oct.

Honshu (Kinki Distr.), Kyushu. China (Hainan).