Japan Flora: Leaves spreading, ovate to ovate-elliptic, 16-22 cm. long, 9-12 cm. wide, acuminate, obtuse at base, with 8-10 pairs of nerves, deep green and dull above; scapes longer than the leaves, about 60 cm. long; racemes ascending, many-flowered; flowers about 40, dense, pale purple, 4.7-5 cm. long, the bracts oblong- lanceolate, acute, green, 2-2.5 cm. long, 7-9 mm. wide, the pedicels horizontally spreading, 10-13 mm. long. 

Leaves horizontally spreading, deep green, elliptic to ovate- elliptic, sometimes oblong, 13-17 cm. long, 6-11 cm. wide, acuminate, slightly undulate, lustrous, abruptly narrowed below and obtuse at base, about 7-ncrved on each side; scapes ascending, 70-95 cm. long, with leaflike scales; flowers dense, about 4.5 cm. long, pale purple, the bracts imbricate, oblong- lanceolate, green, the margins purplish, acuminate, the pedi­cels 5-8 mm. long, arcuate.       

Honshu