|Photo Ken Hill
|The Cycad Pages
- Macrozamia polymorpha D.L. Jones, Fl. Australia 48: 718 (1998). H—CANB
- "TYPE: Australia, New South Wales, c. 4.2 km N along Dandry Road from Newell Highway, 7 June 1991, D.L. Jones 7487 & B.E. Jones (holo CANB; iso BRI, MEL, NSW)."
Greek, poly-, many, and -morphus, -shaped, in reference to
the divided and undivided leaflets.
(1993) as Macrozamia
'species southern Pilliga'.
Distinguished within the M. heteromera complex by the bright
green, broader leaflets that are usually entire, and the
entire seedling leaflets.
Distribution and habitat:
Locally abundant around Coonabarabran and north to the southern
Pilliga Scrub, in dry sclerophyll woodlands on sandy soils
Not considered to be at risk (IUCN Red List category LR,lc).
|Photo Ken Hill
Plants acaulescent, stem 10-25 cm diam.
Leaves 2-7 in crown, bright green, semiglossy, 50-100 cm long,
strongly to moderately keeled, with 70-110 leaflets; rachis not spirally
twisted to moderately spirally twisted, straight, stiff or recurved,
arching stiffly downwards; petiole 12-22 cm long, straight, unarmed, 7-10 mm
wide at lowest leaflets; basal leaflets not reducing to spines.
Leaflets simple or dichotomously branched, concolorous or weakly
discolorous; margins flat to recurved (slightly); apex entire, not spinescent;
median leaflets 120-260 mm long, 5-9 mm wide (ultimate segments 3-5).
Pollen cones fusiform, 16-25 cm long, 4.5-5.5 cm diam.;
microsporophyll lamina 16-24 mm long, 13-19 mm wide; apical spine 2-15 mm long.
Seed cones ovoid, 13-20 cm long, 7-9 cm diam.; megasporophyll lamina
35-45 mm long, megasporophyll with an expanded peltate apex 45-50 mm wide, 15-20
mm high; apical spine 2-30 mm long.
Seeds ovoid, 26-30 mm long, 22-25 mm wide; sarcotesta red.