Japan Flora: Bulbs depressed-globose, 6-10 cm. in diameter; stems 1-1.5 m. long, slightly purple-tinged, smooth, glabrous; leaves short-petioled, spreading, broadly to narrowly lanceolate, 10- 15 cm. long, 1.5-3.5 cm. wide; flowers usually few, sometimes up to 20, broadly infundibuliform, nodding or at right angles, on stout often bracteate pedicels, white with dark red spots, strongly fragrant, the tepals obliquely spreading, broadly lanceolate to narrowly ovate, 10-18 cm. long, recurved above, the inner segments broader, yellowish and glabrous on margin along the nectary groove; style elongate, curved upward at tip; capsules oblong, 5-8 cm. long.  July-Aug. Hills and mountains.

Honshu. Naturalized in Hokkaido.

var. platyphyllum Bak. Taller and stouter than the typical phase; leaves 3.5-6 cm. wide; flowers larger, more numerous, the tepals broader, with fewer yellowish spots to nearly spotless.  Honshu (Izu Isis.). Said to grow with the typical phase on the Izu Penin­sula.