Casuarina cunninghamiana subsp. cunninghamiana—River Oak—CASUARINACEAE

Casuarina cunninghamiana

Link to Images on Flickr.

Habitat—In Riverine Sub-tropical and Dry Rainforest growing along permanent freshwater and saline streams.

Distribution— North from Bega with outliers in the Nandewar Range near Narrabri in New South Wales and into Queensland.

Description— Medium-sized tree with drooping branchlets.

Local occurrences

Gloucester, Brown's Creek Bicentennial Gardens Taree, Bulahdelah State Forest, Queen Elizabeth Park Taree, Royal Botanic Gardens Sydney and Wingham Brush Nature Reserve.

Leaves.—Conifer with leaves scale-like, erect, in whorls of 8 to 10; 0.3 to 0.5 mm long; teeth 8 to 10, erect, 0.3 to 0.5 mm long, withering. Bark dark grey, fissured; Branchlets commonly 0.5 mm diam.; slightly furrowed or ridged longitudinally.

Casuarina cunninghamiana
Casuarina cunninghamiana

Male Flowers.—Simple structure consisting of little more than a leaf tooth and set in a dense whorled spike. Stamens red.

Flowering.— Late winter and early spring.

Fruit.— A Cone, body sparsely and minutely hairy, 7 to 14 mm long, 4 to 6 mm in diameter, with broad-acute bracteoles. Samara 3 to 4 mm long.

Ripe.—Most of the year.

Casuarina cunninghamiana