Distribution and habitat: Mexico - Chiapas Conservation status: 1997 IUCN Red List of Threatened Plants category V. Description:
Plants arborescent. Stem 3 m tall, 40 cm diam. Leaves dark green, semiglossy, 80-100 cm long, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis), with 200-240 leaflets; basal leaflets reducing to spines. Leaflets narrowly lanceolate, not falcate, inserted at 50° to rachis, overlapping downwards; margins flat, dentate; median leaflets 7-9 cm long, 10-12 mm wide. Pollen cones narrowly ovoid, pale brown, 30-40 cm long, 8-10 cm diam. Seed cones ovoid, pale brown, 40-45 cm long, 20-25 cm diam. Seeds ovoid, 30-40 mm long, 25-35 mm wide, sarcotesta cream or white.
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