Photo Ken Hill
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The Cycad Pages
Macrozamia viridis

Macrozamia viridis D.L. Jones & P.I. Forst., "Austrobaileya 4(2): 281-283, fig. 7" (1994). H—BRI
"TYPE: Australia, Queensland, Wyberba, P.I. Forster 12634B & P. Machin, 7 Jan 1993 (holo BRI, iso CANB)."


Photo Ken Hill
Etymology: Latin viridis, green, in reference to the bright green leaves.

Historical notes:

Distinguishing features: Similar to M. fawcetti, but separated by the overall smaller sizes of all parts. and the more distinctly flattened petiole.

Distribution and habitat: Highly localised and probably rare, on sandy soils over granite in moderately wet eucalypt woodlands in the Wyberba district of the Qld Darling Downs.

Conservation status: Known only from a few stands, some of which are conserved in Girraween National Park (IUCN Red List category LR,nt; ROTAP category 2RC-). Gazetted as a Rare or Threatened Plant under Queensland Nature Conservation legislation. 1997 IUCN Red List of Threatened Plants category V.
Photo Ken Hill

Description:

Plants acaulescent, stem 10-20 cm diam.

Leaves 2-8 in crown, bright green or deep green, semiglossy or highly glossy, 35-60 cm long, with 80-160 leaflets; rachis strongly spirally twisted, straight, stiff or recurved, arching stiffly downwards; petiole 9-21 cm long, straight or recurved, unarmed, 8-14 mm wide at lowest leaflet; basal leaflets not reducing to spines.

Leaflets simple, strongly discolorous; margins flat; apex entire, not spinescent; median leaflets 70-200 mm long, 3-11 mm wide.

Pollen cones fusiform, 9-18 cm long, 3.5-5 cm diam.; microsporophyll lamina 15-20 mm long, 12-18 mm wide; apical spine 0-15 mm long.

Seed cones ovoid, 8-14 cm long, 5.5-7 cm diam.; megasporophyll lamina 20-25 mm long, megasporophyll with an expanded peltate apex 30-50 mm wide, 10-15 mm high; apical spine 0-15 mm long.

Seeds ovoid, 20-24 mm long, 17-23 mm wide; sarcotesta red.


The Cycad Pages

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Written and maintained by Ken Hill 1998-2010
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