Japan Flora: Scapes to 65 cm. long, about twice as long as the leaves, loosely 3-scaled, terete; leaves cordate-ovate or broadly ovate, 8-12 cm. long, 5-7.7 cm. wide, long-pctioled, abrupdy acuminate, green, dull, with 7-9 pairs of impressed nerves above, the margins undulate; inflorescence 35 cm. long, dense, the flowers 4.5-5 cm. long, purplish, the bracts about 2 cm. long, elliptic) purplish, acute, the pedicels 3-6 mm. long. 

Leaves long-petioled, oblong-ovate, recurved above, acuminate, cordate-truncate, 6-7.5 cm. long, 2.8-45 cm. wide, the margins slightly incurved near base, minutely undulate, green above, membranously chartaceous, with 5-7 pairs of nerves; scapes much longer than the leaves, 35-45 cm. long, angled, with a scalelike leaf near the top; racemes capitate, the bracts im­bricate, elliptic, 14-17 mm. long, 6-10 mm. wide, strongly boat-shaped, white to purplish, obliquely spreading, acute or mucronate, the pedicels about 5 mm. long, obliquely spread­ing; perianth purple, 4.5-5 cm. long. 

Honshu (Kinki Distr.), Kyushu. Shikoku.