Common name: Black Oak, Belah, Kariku
Casuarina pauper F.Muell. ex L.A.S.Johnson APNI* Synonyms: Casuarina cristata subsp. pauper (Miq.) L.A.S.Johnson APNI*
Description: Dioecious tree, usually smaller and of poorer form than C. cristata, 5–15 (rarely to 20 m) tall; frequently producing root suckers; bark fissured or scaly, grey-brown.
Branchlets spreading to drooping; articles 1.0–1.8 mm diam., strongly waxy, densely and very shortly hairy; teeth spreading to recurved, 9–13, 0.8–0.9 mm long. Tteeth on new shoots spreading.
Male spikes 1.3–5 cm long, 6–10 whorls per cm; anther 0.8–1.1 mm long.
Cones usually persistently rusty-pubescent, cone bracteoles shorter, samara 5.5–7.0 mm long (see also characters in key).
Distribution and occurrence: Widespread in the far W of the State; also in far SW Queensland, NW Victoria, inland South Australia and southern inland Western Australia. Usually grows on red-brown soils with light-textured topsoil and calcareous subsoil.
NSW subdivisions: NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A.
Trees of this species are usually smaller and of poorer form than i C. cristata; also differing in the shorter cone bracteoles. There is some intergradation between C. pauper and C. cristata from Bourke to southwest of Hillston.
Text by K. L. Wilson & L. A. S. Johnson 1990; edited KL Wilson (Aug 2007, Feb 2014, March 2021, April 2026).
Taxon concept: Flora of NSW 1 (1990); 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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