Distribution and habitat: Mexico - Puebla Conservation status: 1997 IUCN Red List of Threatened Plants category E. Description:
Plants arborescent. Stem 1 m tall, 25 cm diam. Leaves blue or blue-green, dull, 70-90 cm long, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis), with 100-140 leaflets; basal leaflets not reducing to spines, petiole spine-free for 12-15 cm. Leaflets linear, concolorous, not falcate, inserted at 30-40° to rachis, not overlapping; margins recurved, entire or dentate; median leaflets 8-10 cm long, 4-5 mm wide. Pollen cones narrowly ovoid, pale brown, 30-40 cm long, 9-10 cm diam. Seed cones ovoid, pale brown, 30-40 cm long, 20-25 cm diam. Seeds subglobose, 30-40 mm long, 30-40 mm wide, sarcotesta cream or
white.
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