Plants acaulescent; stem 10-20 cm diam.; 2-8 leaves in crown. Leaves 35-60 cm long, with 80-160 pinnae, dark green, semi-glossy or highly glossy; petiole 9-21 cm long, 8-14 mm wide at lowest pinna; rachis strongly spirally twisted. Basal pinnae not reducing to spines. Median pinnae simple, 7-20 cm long, 5-11 mm wide, strongly discolorous; margins flat; apex entire, not spinescent. Pollen cones fusiform, 9-18 cm long, 3.5-5 cm diam.; microsporophyll lamina 15-20 mm long, 12-18 mm wide; apical spine 0-15 mm long. Seed cones ovoid, 8-14 cm long, 5.5-7 cm diam.; megasporophyll with an expanded, peltate apex 30-50 mm wide and 10-15 mm long; apical spine 0-15 mm long. Seeds ovoid, 20-24 mm long, 17-23 mm wide; sarcotesta red.
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