Distribution and habitat: Mexico - Oaxaca Conservation status: 1997 IUCN Red List of Threatened Plants category V. Description:
Plants arborescent. Stem 6 m tall, 40 cm diam. Leaves dark green, semiglossy, 130-150 cm long, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis), with 230-260 leaflets; basal leaflets not reducing to spines, petiole spine-free for 13-15 cm. Leaflets linear, not falcate, inserted at 60° to rachis, not overlapping; margins flat, dentate; median leaflets 10-12 cm long, 7-9 mm wide. Pollen cones fusiform, pale brown, 30-40 cm long, 6-8 cm diam. Seed cones ovoid, pale brown, 30-50 cm long, 20-30 cm diam. Seeds subglobose, 25-30 mm long, 25-30 mm wide, sarcotesta cream or
white.
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