Plants evergreen. Rhizome yellowish outside, purplish inside, robust, 8-9 × 3-4 cm, rooting on whole surface and in different directions. Leaves 3-5 together, separately arranged on rhizome back, perhaps from different seasons; petiole pale green with dark green striae and whitish spots, or pinkish brown with black or dark brown short striae and sparse spots, cylindric, 28-60 × 0.4-2 cm, encircled by cataphylls; leaf blade pale green abaxially, green adaxially, subpapery, 3-foliolate; leaflets entire, base obtuse, apex acuminate with acumen 1-2 cm; central leaflet with petiolule 2.8-4.6 cm, blade green with scattered pale brown and black spots, elliptic to oblong, 14-24 × 6-10 cm, base cuneate to rounded; lateral leaflets with petiolule 5-10 mm, blade lanceolate, oblique, 12-24 × 4.5-10 cm, base obliquely rounded; cataphylls 2 or 3, colored as petiole, 5-20 cm. Peduncle encircled in cataphylls, colored as petiole, to 70 cm. Spathe green; tube 6-8 × 1.5-2 cm, throat margins spreading, auriculate; limb arching, obovate, ca. 5 × 3.5-4 cm, apex acuminate or acute. Spadix bisexual and unisexual (male). Bisexual spadix: female zone ca. 2 cm × 7 mm; ovary pale green, ovoid; style short; stigma pale white, disciform; male zone ca. 1.5 cm × 3 mm, sparsely covered by male flowers; appendix erect, greenish white, cylindric, ca. 3 cm × 1.5-3 mm, apex subclavate, verrucose to echinate. Male spadix: male zone ca. 6.7 cm, base ca. 6 mm in diam.; male flowers dense, of 2-4 stamens, subsessile; anthers violet to cream-yellow, ovoid or subglobose, dehiscing by an apical united slit; appendix cylindric, ca. 4.2 cm × 3 mm, base usually with some male flowers, apex subclavate, rugose, ca. 4 mm in diam. Berry orange-red, obovoid, ca. 5 × 4 mm. Fl. Feb-Mar, fr. Oct.
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