|The Cycad Pages
- Ceratozamia matudae Lundell, Lloydia 2(2): 75-76 (1939).
- "TYPE: Mexico, Chiapas, northern slope of Mt Ovando, Feb 1939, E. Matuda 2645 (holo MICH, iso MEXU, MICH)."
Honoring Eizi Matuda, first collector of this species.
Named in 1939 by American botanist ___ Lundell.
The narrow leaflets and densely prickly petioles distinguish this species.
Distribution and habitat:
Chiapas and Oaxaca in southern Mexico, extending a short way into western
Guatemala. Sporadically distributed in evergreen cloud forest at about
1000 m altitude.
1997 IUCN Red List of Threatened Plants category R.
Plants acaulescent; stem 50 cm long, stem 20 cm diam.
Leaves 5-15 in crown. New growth emerging bronze, red or chocolate
brown. Leaves yellow green or light or bright green, highly glossy, 70-120 cm
long, flat (not keeled) in section, with 46-88 leaflets; vernation straight;
rachis not or slightly spirally twisted; petiole 20-35 cm long, armed with
Leaflets not clustered, linear or lanceolate, symmetric, broadest
below middle, falcate, weakly discolorous, thick or leathery; margins flat;
median leaflets 20-40 cm long, 6-15 mm wide.
Pollen cones yellow-green, fusiform-cylindrical, 8-16 cm long, 3-4.5
cm diam.; peduncle 11 cm long; microsporophyll lamina 9-11 mm long, 7-8 mm wide.
Seed cones yellow-green, ovoid-cylindrical, 12-15 cm long, 8-9 cm
diam.; peduncle 22 cm long.
Seeds ovoid, 25-30 mm long, 20-23 mm wide; sarcotesta white, aging to