Plants dioecious. Rhizome cylindric, 4-10 × 2-4 cm. Cataphylls 2 or 3, reddish brown, inner one to 15 cm. Leaf solitary; petiole pale green, not spotted, 15-50 cm, base forming pseudostem, 1-1.5 cm in diam.; leaf blade 3-foliolate; leaflets with petiolules 1-1.5 cm, pale green with narrow red margin, not spotted; central leaflet dull adaxially, ovate or oblong, 11-13 × 4-7 cm, base cuneate, apex acuminate or acute; lateral leaflets obliquely oblong to lanceolate, larger than central leaflet, 13-16 × 4.5-6.5 cm, base strongly oblique (one side cuneate, other deeply cordate), apex abruptly shortly acuminate. Peduncle whitish with tiny brown dots, much shorter than petioles, 2.5-10 cm. Spathe dark purple, with whitish longitudinal lines; tube cylindric, 4-10 × 1-3 cm, throat margins obliquely truncate, slightly outcurved; limb arching over spadix, oblong-lanceolate, 8-20 × 6-8 cm, margins narrowly recurved, apically gradually acuminate, drooping. Spadix unisexual; female zone subconic, ca. 1.7 × 1.2 cm; ovary obovoid; stigma sessile, punctate; male zone cylindric, ca. 2.5 cm × 5 mm; male flowers purple; synandria of 3-5 stamens; connected filaments distinct; thecae dehiscing by a single horseshoe-shaped slit. Appendix pink to dark purple, very narrowly conic, filiform distally, 20-80 cm, base to 8 mm in diam., narrowed into a stipe ca. 1 cm. Fruiting peduncle erect. Berries red, obovoid-obconic, angulate. Fl. Apr-Jun, fr. Oct.
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A tuber plant. It is 60 cm long. The rhizome is 7-9 cm long by 2.5-6 cm wide. The leaf stalk is stout and mottled red-brown. There is one leaf which is divided into 3 leaflets. These are triangular or oval shaped. They have red edges. They are 20 cm long by 13 cm wide. The flower appears below the leaves. The bract around the flower is hooded and dark red. It has white stripes. It is 20 cm long. It is curved inwards and has a thread like tip. The fleshy flower stalk is yellowish-pink. It is 50 cm long.
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