Plants dioecious. Tuber depressed globose, 3-10 cm in diam., with small tubercles. Cataphylls to 9 cm, membranous. Leaf solitary; petiole green with dark purple spots, 20-40 cm, proximal 1/3 sheathing into pseudostem; leaf blade 3-foliolate; leaflets sessile or subsessile, green with reddish margin; veins raised, often reddish abaxially; central leaflet broadly rhombic or ovate-rhombic, sometimes broader than long, 7-15 × 6-11 cm, base broadly cuneate, apex acuminate; lateral leaflets obliquely ovate, 11-14 × 7-9 cm, base rounded to subtruncate, apex acuminate. Peduncle shorter than petioles, 20-22 cm. Spathe tube purplish brown with longitudinal whitish lines, cylindric, 4-5 × 1.5-2 cm, longitudinally lamellate inside, throat margins slightly recurved; limb strongly incurved, dark purple with white longitudinal and reticulate lines (at margin), obovate, 7-8 × 3-5 cm, apex acuminate. Spadix unisexual; female zone conic, 2.6-6 cm; ovary green, obovoid; stigma subsessile, dark purple; male zone 1.5-2 cm × ca. 4 mm; synandria of 2-5 stamens; connected filaments distinct, 0.5-1 mm; anther dehiscing by horseshoe-shaped slit. Appendix brown, flagelliform, 11-20 cm, thickened toward base 5-15 mm wide, base truncate and stipitate. Fl. May.
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A herb. It grows 16-33 cm tall. The bulb is a flattened round shape. It is 2.4 cm long by 4 cm wide. The leaf stalk is 20-35 cm long. The leaves are stalked and divided into 3 parts. The leaflets are oval and angular and red near the edges. The leaflets are 9-20 cm long by 4-18 cm wide. The leaf stalk has dark spots. The flower spathe is purple with white stripes.
Forest openings at elevations of 1,800-3,700 metres in Nepal. The margins of evergreen Tsuga forests, thickets; at elevations from 2,800-3,100 metres.
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It is a temperate plant. In Nepal it grows between 1800-3700 m altitude in openings in the forest. It grows in shade forest.
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