Allocasuarina rigida (Miq.) L.A.S.Johnson APNI* 
Description: Dioecious shrub 0.5–4 m hig; bark smooth, greyish.
Branchlets ascending, to 33 cm long; articles smooth, usually glabrous, 10–25 mm long, 0.8–1.5 mm diam.; phyllichnia angular to rounded-convex, with median ridge; teeth 7–10, recurved to suberect, slightly overlapping at least when young, usually withering, 0.4–1.3 mm long.
Male spikes not or shortly moniliform, 1–7 (rarely to 9) cm long, 4–6.5 whorls per cm; bracteoles persistent; anther 0.7–1.2 mm long.
Cones cylindrical to ovoid, pubescent, on peduncle 2–9 mm long; cone body 8–27 mm long, 7–14 mm diam.; bracteoles truncate to obtuse, with thick pyramidal protuberance shorter than bracteole body. Samara 3.0–7.5 mm long, mid- to dark brown.
Distribution and occurrence: NE NSW: McPherson Range south to Koonyum Range, Gibraltar Range, Ebor, Big Nellie N of Taree and inland to Torrington, Ashford and Howell areas. Also in SE Qld. Grows on volcanic outcrops in exposed situations, on poor sandy soils on acid granite, rhyolite or trachyte.
NSW subdivisions: NC, NT, NWS
Other Australian states: Qld
Text by K. L. Wilson & L. A. S. Johnson (1990); edited KL Wilson (Feb 2014, April 2026)
Taxon concept: Flora of NSW 1; Wilson and Johnson, Flora of Australia vol. 3 (1989)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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