Plants acaulescent; stem 20-40 cm diam.; 2-8 leaves in crown. Leaves 60-120 cm long, strongly to moderately keeled, with 90-120 pinnae, grey-green to blue, dull; petiole 12-25 cm long, 9-12 mm wide at lowest pinna; rachis not to moderately spirally twisted. Basal pinnae not reducing to spines. Median pinnae usually dichotomously branched, sometimes simple, 16-25 cm long, 4-7 mm wide (ultimate segments 3-5 mm wide), concolorous to weakly discolorous; margins flat; apex entire, not spinescent. Pollen cones fusiform, 25 cm long, 5-6 cm diam.; microsporophyll lamina 20-22 mm long, 19-22 mm wide; apical spine 2-15 mm long. Seed cones ovoid, 18-23 cm long, 9-11 cm diam.; megasporophyll with an expanded, peltate apex 50-60 mm wide and 20-30 mm long; apical spine 2-10 mm long. Seeds ovoid, 30-34 mm long, 24-26 mm wide.
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