Japan Flora: Tu­ber depressed-globose; pseudostem 10-30 cm. long; leaves 2, the petioles terete, 5-10 cm. long; leaflets 7-15, narrowly ovate to broadly oblanceolate, abruptly tapering to a rather short taillike apex, the terminal one 15-25 cm. long, 3-12 cm. wide; peduncle 3-30 cm. long; spathe dark green with white longitudinal stripes, the upper margins of the tubular part recurved, the blade green, 15-25 cm. long, broadly deltoid- lanceolate and obliquely declined, scarcely narrowed toward the base, gradually tapering toward tip to a tail nearly as long as the body of the blade; spadix-appendage usually thickened and clavate in upper part, rounded at apex, 5-10 mm. in diameter, slightly narrowed and truncate at base. June-July.

Honshu (Kinki and Chugoku Distr.), Shikoku, Kyu­shu