|Photo Ken Hill
|The Cycad Pages
- Ceratozamia euryphyllidia "Vasq. Torres, Sabato & D.W. Stev.", Brittonia 38(1): 17-19 (1986).
- "TYPE: Mexico, Vera Cruz, 21 Jun 1984, Vazquez Torres 2842 (holo NY iso CHAPA, NY, XALU)."[NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY][NY]
From the Greek eurys, broad, phyllon, leaf, with the
diminutive idion, referring to the extraordinarily broad leaflets
Described as recently as 1986 from a small stand of plants discovered
only a few years earlier in southern Veracruz.
Readily distinguished by the larger and broader leaflets than in any
other Ceratozamia. Leaflets are also very thin and papery, undulating
along the margins and distinctly oblique.
Distribution and habitat:
Sporadic and localised, in Veracruz
and Oaxaca, Mexico. An understorey shrub growing naturally in
heavy shade in tropical wet evergreen forest.
1997 IUCN Red List of Threatened Plants category E.
Plants acaulescent; stem 20 cm long, stem 10 cm diam.
Leaves 5-10 in crown. New growth emerging light green or bluish.
Leaves dark green or blue green, dull, 200-320 cm long, flat (not keeled) in
section, with 12-26 leaflets; vernation straight; rachis not or slightly
spirally twisted; petiole 60-90 cm long, armed with prickles.
Leaflets not clustered, ovate, asymmetric, broadest above middle, not
falcate, weakly discolorous, thin or membranous; margins flat; median leaflets
18-31 cm long, 90-160 mm wide.
Cataphylls 50 mm long.
Pollen cones green, fusiform-cylindrical, 28 cm long, 3 cm diam.;
peduncle 6-8 cm long; microsporophyll lamina 7-10 mm long, 15-20 mm wide, with
two horns 1-2 mm long.
Seed cones brown, ovoid-cylindrical, 20 cm long, 5 cm diam.; peduncle
12 cm long; megasporophyll 15-30 mm long, with an expanded peltate apex 15-20 mm
Seeds ovoid, 23-27 mm long, 20 mm wide; sarcotesta white, aging to