Plants acaulescent; stem 7-12 cm diam.; 1-5 leaves in crown. Leaves 70-90 cm long, moderately keeled, with 100-150 pinnae, grey-green, glossy above; petiole 15-30 cm long, 7-12 mm wide at lowest pinna; rachis strongly spirally twisted. Basal pinnae not reducing to spines. Median pinnae simple, 7-30 cm long, 2-7 mm wide, strongly discolorous; margins flat, or slightly incurved; apex entire, not spinescent. Pollen cones fusiform, 8-22 cm long, 2.5-5.5 cm diam.; microsporophyll lamina 15-20 mm long, 13-20 mm wide; apical spine 0-10 mm long. Seed cones ovoid, 8-14 cm long, 4.5-6.5 cm diam.; megasporophyll with an expanded, peltate apex 20-40 mm wide and 15-20 mm long; apical spine 0-10 mm long. Seeds ovoid, 20-25 mm long, 18-22 mm wide; sarcotesta red.
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