The Cycad Pages
Dioon califanoi

Dioon califanoi De Luca & Sabato, Brittonia 31(1): 170-172 (1979).
"TYPE: Mexico, Oaxaca, between Teotitlan del Camino, Huautla area, 15 Oct 1974, De Luca & Sabato s.n. (holo NAP, iso ENCB, F, FI, G, MICH, NAP)."[NY][NY]

Distribution and habitat: Mexico - Oaxaca, Puebla

Conservation status: 1997 IUCN Red List of Threatened Plants category E.


Plants arborescent. Stem 3 m tall, 30 cm diam.

Leaves dark green, dull, 70-85 cm long, keeled (opposing leaflets inserted at 90° on rachis), with 160-200 leaflets; basal leaflets reducing to spines.

Leaflets linear, weakly discolorous, not falcate, inserted at 45° to rachis, overlapping upwards; margins flat, entire; median leaflets 6-7 cm long, 7-8 mm wide.

Pollen cones narrowly ovoid, pale brown, 30-40 cm long, 8-10 cm diam.

Seed cones ovoid, pale brown, 40-50 cm long, 20-25 cm diam.

Seeds ovoid, 30-40 mm long, 20-25 mm wide, sarcotesta cream or white.

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