Herbs, perennial.50–100 cm tall; Horizontal rhizomes, slender and elongated internodes; tuber variable in shapes, persistent in older rhizomes; Dark brown stem; Leaves 4–7 foliate,10–30 cm long,petioles 6–12 cm long; petiolules 0.5–1.5 cm long; leaflets oblong–lanceolate to lanceolate, 9–18 cm long, 1.5–3.0 cm wide; apex long acuminate to 3.0 cm; singly or doubly serrate; setose on adaxial surface; base round, subcordate, obtuse and oblique.Peduncle length is longer than leaf length, 15–40 cm long. Flowers are bracts lanceolate, 0.3–0.6 cm long, deciduous; pedicels 0.7–2.0 cm long; sepals triangular; petals lanceolate or traingular, ± 2 mm long; anther elliptic, ± 2 mm long. Fruits are sub-globose, lower half red and upper half black; seeds large, ovoid, 5–7 mm long.

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