|Photo Dennis Stevenson
|The Cycad Pages
- Zamia amazonum D.W. Stev., "Fl. Colombia 21: 33, fig. 3" (2001).
- "TYPE: BRAZIL. Amazonas. Confluence of Rio Tauri and Rio Icana, D. Stevenson 886 (holo INPA; iso COL, MO, NY, U)."
The specific epithet refers to the wide distribution of
this species throughout the upper Amazon basin.
Rachis densely tomentose when young, rachis densely prickled
with the prickles often branched, small less than 15 cm long seed cone.
Distribution and habitat:
A widespread species found in Amazonian areas of Brazil,
Colombia, Peru, and Venezuela.
Fairly common locally throughout its range. Not listed in the
IUCN Red List of Threatened Plants.
Stem subterranean, 3-8 cm in diameter.
Cataphylls triangualr basally, linear-lanceolate apically,
3-8 cm long, 1-2 cm wide.
Leaves 2-6, 0.5-2.5 m long, oval to elliptic; petiole 0.5-1 m
long, armed with small to stout branched prickles; rachis 0.5-1 m
long, with 6-12 subopposite pairs of leaflets, armed with
prickles in the lower third.
Leaflets chartaceous to papyraceous, oblong-lanceolate
to lanceolate, acuminate at apex, denticulate in upper half,
15-20 cm long, 2-4 cm wide.
Pollen cones 2-6, cylindrical, brown, 6-10 cm long, 1-2 cm
in diameter; peduncle 8-15 cm long.
Seed cones usually solitary, dark red-brown, 10-15 cm long,
3-5 cm in diameter; peduncle 5-8 cm long.
Seeds with a red outer fleshy layer, ovoid, 1 cm long, 0.5 cm