The Cycad Pages
Macrozamia flexuosa

Macrozamia flexuosa C. Moore, J. & Proc. Roy. Soc. New South Wales 17: 121 (1884).
"TYPE: Australia, New South Wales, Limeburner's Creek, E. Betche NSW 40951, Jan 1883 (holo NSW)."[NSW]

Etymology: Latin, flexuosus, zigzag or bent alternately in opposite directions, from the spirally twisted leaves.

Historical notes:

Distinguishing features: Characterised by the erect, strongly spirally twisted leaves with long, more or less terete petioles, and lax, light green leaflets with inrolled margins.

Distribution and habitat: New South Wales, southern North Coast and extreme northern Central Coast, from Buladelah to Lake Macquarie. Scattered in sclerophyll forests on siliceous soils.

Conservation status: not considered to be at risk (IUCN Red List category LR,lc).


Plants acaulescent, stem 8-20 cm diam.

Leaves 1-6 in crown, bright green, highly glossy to semiglossy, 45-100 cm long, moderately keeled, with 80-150 leaflets; rachis strongly spirally twisted, recurved, arching stiffly downwards; petiole 20-35 cm long, straight, unarmed, 4-8 mm wide at lowest leaflets; basal leaflets not reducing to spines.

Leaflets simple, strongly discolorous; margins incurved (more or less); apex entire, not spinescent; median leaflets 170-300 mm long, 3-7 mm wide.

Pollen cones fusiform, 15 cm long, 4.5 cm diam.; microsporophyll lamina 15 mm long, 14 mm wide; apical spine 2-10 mm long.

Seed cones ovoid, 10-16 cm long, 7-11 cm diam.; megasporophyll lamina 40 mm long, megasporophyll with an expanded peltate apex 55 mm wide, 20 mm high; apical spine 5-35 mm long.

Seeds ovoid, 24-27 mm long, 19-23 mm wide; sarcotesta red.

The Cycad Pages

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Written and maintained by Ken Hill 1998-2010
Maintained by Leonie Stanberg and Dennis Stevenson 2010-2012
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