Common name: Swamp Oak, Guman
Casuarina glauca Sieber ex Spreng. APNI*
Description: Dioecious tree 8–20 m high, frequently producing root suckers; branchlets drooping.
Articles noticeably thicker at their apex than towards the base when dried, 8–20 mm long, 0.9–1.2 mm diam.; teeth erect, 12–20, 0.6–0.9 mm long; teeth on young permanent shoots long-recurved.
Anther c. 0.8 mm long.
Cone body 9–18 mm long, with broad-acute bracteoles.
Distribution and occurrence: in brackish situations along coastal streams, somewhat farther inland along major river valleys. Often forming pure stands.
NSW subdivisions: NC, CC, SC, CWS, *LHI
Other Australian states: Qld
Also found as a shrub c. 2 m high, with coarse branchlets bearing up to 20 teeth, on exposed headlands. Hybridizes with C. cunninghamiana subsp. cunninghamiana where their ranges meet along coastal rivers.
Text by K. L. Wilson & L. A. S. Johnson (1990); edited KL Wilson (Feb 2014)
Taxon concept: Flora of NSW 1 (1990)
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.