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Allocasuarina defungens L.A.S.Johnson
Family Casuarinaceae
Allocasuarina defungens L.A.S.Johnson APNI*

Description: Dioecious or monoecious, lignotuberous, depauperate, erect shrub 1–2 m high.

Branchlets to 12 cm long; articles bluish green, 6–8 mm long, 0.5–0.6 mm diam.; teeth 5–7, erect, overlapping when young, often withering at apex, 0.2–0.5 mm long.

Male spikes 0.2–2.5 cm long.

Cones very irregular, on slender peduncle 3–7 mm long; cone body 8–11 mm long; bracteoles obtuse to truncate with tiny mucro. Samara c. 3 mm long, with wing shorter than the body.


Illustration
L. Elkan

Habitat
Photo D. Hardin

Habit
Photo D. Hardin

Flower
Photo D. Hardin

Fruit
Photo L.L. Lee

Distribution and occurrence: In tall heath on sand, in Nabiac area and farther north in the North Coast region.
NSW subdivisions: NC

Threatened species: NSW TSCA: Endangered ROTAP: 2E
AVH map***

May occasionally hybridise with A. littoralis, near which it often grows. A low, shrubby, suckering form/taxon allied to this species in the heathlands on the North Coast, tentatively labelled as 'possibly A. defungens X A. littoralis' in the herbarium, has been re-identified as A. thalassoscopica.

Text by KL Wilson and LAS Johnson (1990); edited KL Wilson (2006, Oct 2009, Feb 2014; May 2015; Nov 2015)
Taxon concept: K. L. Wilson & L. A. S. Johnson, 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.
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