Pseudostem 20-35cm Long, from a depressed-globose tuber bearing small tubers onthe sides; leaf solitary, the petiole terete, nearly erect, 10-25cm Long, the bladepalmately 5-foliolate, the rachis not developed, the leaflets obovate or ovate, 10-15cmlong, 4-7cm wide, abruptly short-acuminate; peduncle 2-5cm long; spathe green withlongitudinal white stripes or dark purple (forma atropurpureum T.Koyama),somewhat auriculate on the upper margin of the tube, the blade ovate, 5-6cm long, long-acuminate, obliquely ascending, scarcely narrowed at base; spadix-appendage cylindric, thickened and truncate at base.-May-June. (Korea)