Drooping She-oak

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Drooping Sheoak - Russell Best via NatureShare | Drooping Sheoak - Russell Best via NatureShare | Drooping Sheoak - Russell Best via NatureShare | Drooping Sheoak - Russell Best via NatureShare

Allocasuarina verticillata


Tree growing to a height of 10 m with rounded habit. Thick, dark grey bark. Grey-green crown with drooping visibly ribbed branchlets. The leaves on this plant are reduced to ribs on the branchlets which end in leaf teeth. Male flowers are yellowish-brown spikes while female flowers are sessile. Large barrel-shaped cones form on the female plant.


Details
Flora Type
Trees
Former Scientific Name
Casuarina stricta, Allocasuarina stricta
Distinctive Features

Pendulous foliage and pointed cone valves. Many segments along each branch each ending in a whorl of 9-13 minute spreading teeth which do not overlap.

Biology

Perennial. Well-drained soils in deep sun. Nitrogen-fixing plant living symbiotically with mycorrhizal fungi. This enables the plant to fix nitrogen and absorb nutrients provided by the fungi which is attached to the root system. A very drought-resistant species.

Native Status
Native
Flowering Time

Mar-Dec

Taxonomy
Phylum
Tracheophyta (Vascular Plants)
Class
Magnoliopsida (Flowering Plants)
Order
Fagales
Family
Casuarinaceae
Genus
Allocasuarina
Species
verticillata

Important food for birds, and in particular is the preferred food food for the Glossy Black Cockatoo on Kangaroo Is. Nitrogen-fixing. Young stems and food used as food by Aboriginal people, and the wood used for spears, clubs and fibremaking (Tas). Separate male and female plants, pollinated by the wind. The male plant produces masses of pollen and female flowers are designed to hang from the tree enabling them to catch the pollen.


Interesting Facts
Similar Species

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Native Status
Native