Plants acaulescent; stem 25-40 cm diam.; 35-80 leaves in crown. Leaves 90-150 cm long, flat (not keeled) in section, with 50-110 pinnae, mid-to dark green, highly glossy; petiole 30-75 cm long, 5-7 mm wide at lowest pinna. Basal pinnae not reducing to spines. Median pinnae simple, 24-35 cm long, 6.5-9 mm wide, strongly discolorous; margins flat; apex entire, spinescent. Pollen cones fusiform, 17-23 cm long, 3.5-4 cm diam.; microsporophyll lamina 13 mm long, 11 mm wide; apical spine 0-15 mm long. Seed cones narrowly ovoid, 18-23 cm long, 7-9 cm diam.; megasporophyll with an expanded, peltate apex 35-40 mm wide and 15-20 mm long; apical spine 6-35 mm long. Seeds oblong, 25 mm long, 16 mm wide; sarcotesta orange or yellow.