Plant unbranched or more often branched from base; stems up to 2.5-4 m tall, rarely more, reclining with age, 30-45 cm diam. with tomentose bracts. Leaves 7-1.3 m long including petiole 16-20 cm long; rhachis nearly straight with the apical portion slightly or markedly incurved, glabrous except for densely tomentose pulvinus mainly hidden by bracts, glaucous when young; leaflets rigid, glabrous, glaucous when young, reduced in size towards apex and base of rhachis; median leaflets linear-oblong, 15-20 cm long, 1.3-1.5 cm broad, cuneate at base, shortly pungent, entire or occasionally with a single tooth on lower margin. Cones 1-3 together on short stout peduncles, dark brown. Male cones subcylindric, 22-42 cm long 6-8 cm broad; median scales 2.5-3.25 cm long, 2-2.5 cm broad, with acute lateral ridges; bulla face projected into beak 7 mm long, surface slightly uneven, terminal facet about 3 mm broad and nearly 3 mm wide vertically, slightly concave. Female cones ovoid to oblong-ovoid in outline, 30-50 cm long, 16-20 cm broad; median scales 5-5.5 cm long, 4.5-5 cm broad, 2.5-3 cm thick vertically, with lateral ridges extending into incurved lobes about 1 cm long; bulla papillate round base, rugose in apical half and minutely pubescent, upper facet with 1-2 sagittal ridges and lower facet rounded, terminal facet concave, 1.5-2 cm broad, slightly less wide vertically. Seeds amber or sometimes slightly tinged with red, fleshy, angled by compression, 3.5-4 cm long, 2.3-3 cm diam.
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