Japan Flora: Leaves chartaceous, ovate-cordate or elliptic-ovate, 12-13 cm. long, 8-9 cm. wide, abruptly mucronate, truncate or subcordate at base, flat, dull above, with 7-9 pairs of nerves, the margin with 4 or 5 undulations on each side; scapes ascending, about 30 cm. long; flowers pale purple, about 4 cm. long, the pedicels 4-11 mm. long, the bracts membranous, purplish to white, as long as or slightly shorter than the pedicels, withering after anthesis.

Honshu, Kyushu.