Common name: River Oak, River Sheoak
Casuarina cunninghamiana subsp. cunninghamiana Miq. APNI* 
Description: Dioecious tree 15–35(-50) m high with branchlets drooping in vigorous specimens, erect in depauperate specimens; bark finely fissured and scaly, grey-brown.
Teeth on new shoots erect; branchlets drooping in vigorous specimens, erect in depauperate specimens; articles mostly glabrous, 6–9 mm long, 0.4–0.7 mm diameter; edges of furrows often marked (in dried specimens) by a slight ridge; teeth erect, withering, yellow at base, darker brown towards apex, 0.3–0.5 mm long.
Anther 0.4–0.7 mm long.
Cone body sparsely and minutely hairy, 7–14 mm long, 4–6 mm in diameter, with broad-acute bracteoles. Samara 3–4 mm long.
Distribution and occurrence: Eastern half of NSW, north from Bega. Also in eastern Queensland. Along permanent freshwater streams.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP
Other Australian states: Qld
Hybridizes naturally with C. cristata and C. glauca. Other hybrids are recorded in cultivation.
Text by KL Wilson and LAS Johnson (1990); edited KL Wilson (Feb 2014; Dec 2016)
Taxon concept: Flora of NSW 1; Wilson and Johnson, Flora of Australia vol. 3 (1989)
| The single subspecies in NSW. Characters and distribution as for the species in NSW. |
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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