Common name: Forest Oak
Allocasuarina torulosa (Aiton) L.A.S.Johnson APNI* Synonyms: Casuarina torulosa Aiton APNI*
Description: Slender tree, usually dioecious, 5–20 m tall; bark thick, corky, red-brown fading to grey-brown.
Branchlets drooping, to 14 cm long; articles terete (quadrangular on young growth), minutely pubescent in furrows, 5–6 mm long, 0.4–0.5 mm diam.; ridges slightly rounded-convex; teeth 4 or 5, erect, not overlapping, not withering, 0.3–0.8 mm long.
Male spikes 0.5–3 cm long, 7–12 whorls per cm; anther 0.5–0.6 mm long.
Cones short-cylindrical or barrel-shaped, warty, occasionally densely pubescent, pendent or spreading, on peduncle 8–30 mm long; cone body 15–33 mm long, 12–25 mm diam.; bracts inconspicouous; bracteoles with acute apex, protuberance divided into c. 8–12 small tubercles slightly shorter than or as long as bracteole body. Samara 7.0–10.0 mm long, mid- to dark brown.
Distribution and occurrence: Coastal hills and ranges south to Macquarie Pass and Jenolan Caves; also in eastern Queensland. As understorey in open forest to tall open forest. Generally on higher-nutrient soils and in moister situations than A. littoralis.
NSW subdivisions: NC, CC, SC, NT, CT, NWS, CWS
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 (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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