Northeastern Asian Flora - Arisaema ovale

Arisaema ovale Nakai (redirected from: Arisaema robustum var. ovale (Nakai) Kitam.)
Family: Araceae [Arisaema amurense f. integrifolium Makino, more] Images not available	Japan Flora Resources Japan Flora: Tuber subdepressed-globose, 3-5 cm. across; scalelike leaves 3, tunicate; normal leaf solitary, the petiole thick, about 20 cm. long, 5-10 mm. in diameter, the leaflets 5, pedate or nearly palmate, oblong to broadly ovate-elliptic, entire, 10-15 cm. long, 3-6 cm. wide; peduncle very short; spathe 5-6 cm. long, dark purple with longitudinal white stripes, auricled on the upper margins of the tube, the blade ovate, &-10 cm. long, strongly arching over the spadix; spadix-appendage whitish, clavate-cylindric, stout, 4-6 cm. long, longitudinally rugose, on a short stipe 5-8 mm. long. Honshu (Tanba, Omi, Echizen, Etchu, Noto, and elsewhere).
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