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The Cycad Pages
Macrozamia secunda

Macrozamia secunda C. Moore, J. & Proc. Roy. Soc. New South Wales 17: 122 (1884). L—MEL
"TYPE: Australia, New South Wales, Reedy Ck., near Mudgee, C. Moore s.n., 1858 (lecto MEL, fide L.A.S. Johnson, Proc. Linn. Soc. New South Wales 84: 103, 1959)."


Etymology: Latin, secundus, secund or having organs turned to the same side, in reference to the arrangement of the leaflets on the rachis.

Historical notes:

Distinguishing features: Distinguished by the sharply keeled, bluish-grey leaves with a slight or no spiral twist and short petioles.

Distribution and habitat: New South Wales, central western slopes to lower central tablelands, from Gilgandra to Grenfell, east to Mudgee and Capertee.

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

Description:

Plants acaulescent, stem 8-15 cm diam.

Leaves 1-8 in crown, grey-green or blue, semiglossy or dull, 40-80 cm long, strongly keeled (opposing leaflets inserted at 30-90° on rachis) with 80-170 leaflets; rachis not spirally twisted to moderately spirally twisted, recurved, arching stiffly downwards; petiole 5-15 cm long, straight, unarmed, 5-9 mm wide at lowest leaflet; basal leaflets not reducing to spines.

Leaflets simple, strongly discolorous; margins flat, or recurved; apex entire, not spinescent; median leaflets 80-200 mm long, 3-8 mm wide.

Pollen cones fusiform, 15-20 cm long, 4-5 cm diam.; microsporophyll lamina 15-25 mm long, 15-20 mm wide; apical spine 0-10 mm long.

Seed cones ovoid, 15-25 cm long, 7-9 cm diam.; megasporophyll lamina 30-40 mm long, stipe 25-30 mm long, megasporophyll with an expanded peltate apex 35-60 mm wide, 15-30 mm high; apical spine 2-33 mm long.

Seeds ovoid, 20-35 mm long, 17-25 mm wide; sarcotesta red.


The Cycad Pages

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Written and maintained by Ken Hill 1998-2010
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