Dioecious plants, rich orange to red or dark red. Length from fusion with host root to top of inflorescence in ♂ plants (4-)5-10(-11) cm, in ♀ plants (6-)7-10(-23) cm. Tubers several together in a mass branching from the base into single tubers. Single tubers elongated, cylindrical or ovoid-ellipsoid-obovoid, (2-)3-6(-14) cm long and (1½-)2-4(-4½) cm wide. Surface coarsely tessellate. Leaves 3-8, spirally arranged, length 2-3½ cm, width 1½-2¼ cm. ♂ Inflorescence 1¾-2½ cm long. Bracts various: upper bracts entire, truncate, 3-4 mm long, lower bracts divided to the base into 4-6(-7) teeth, each about 1-2 by ½ mm. Pedicels of lowermost flowers (1-)1½-1¾(-2) cm, compressed, 3 by 2 mm in cross-section, before anthesis pointing upwards and closely appressed to the axis of the inflorescence, during and after anthesis strongly reflexed. Flowers 7-9 or more. Buds much compressed, length (3¾-)5-6(-7) mm, lateral width (4½-)6-8(-9) mm, anterior-posterior width (2½-)3(-3½) mm. ♂ Flowers 4-merous, bisymmetric or zygomorphic on account of lateral elongation. Median tepals 2, wide, almost square, truncate. Lateral tepals 2, narrow, lanceolate, acute. Synandrium with fertile part much compressed, almost fan-shaped. Anther cells parallel, running from base to top of synandrium. ♀ Inflorescence spherical or ellipsoid-obovoid, (1-)1½-3(-5) by (¾-)1-2(-3) cm. Spadicles (800-)1000(-1200) μ long, long-obco-nical with top part rounded, about 100 μ wide at base and 250-270 μ wide at top. ♀ Flowers on main axis of inflorescence only. Largest flowers about 1150 μ long, ovaries about 270 μ long.
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