Cycadophyta
Leaves pinnate Cycadophyta
Pinnae all about the same size or abruptly reduced towards the base. Leaves 2–12 in the crown, up to 100 cm long. Stems sunken in the ground
Rhachis straight or twisted through an angle of up to 180o
Pinnae spreading, with a red orange or pink callous at the base; petiole rounded or flat above. Male cones cylindrical or ellipsoid, 15–20 cm long, 7–9 cm diam. Female cones ovoid, 12–25 cm long, 5–10 cm diam. Seeds c. 3 cm long, orange-red when ripe
Pinnae with a terminal spine. Near Mountain Lagoon, Blue Mtns. D.S.F. Ss. Macrozamia elegans
Pinnae without terminal spine. Widespread. Open forest on laterite Macrozamia spiralis