Christmas Tree Mulga

Family: Fabaceae
Genus: Acacia
Species: aneura var.conifera
Main Flower Colour: Yellow


Trees to 6-8 m tall, with a single, straight, erect trunk and relatively short, horizontally spreading lateral branches from base to apex (rendering the plants a conifer-like habit). Branchlets resin-ribbed at extremities, with minute, silvery, straight appressed hairs. Brachyblasts absent or few, when present there are 3 or 4 phyllodes in nodose clusters about 3 mm long. New shoots (at least when dry) dark reddish brown. Phyllodes narrowly linear, (30-) 40-70 mm long, 1-2 mm wide, flat, sub-straight to shallowly sigmoid or shallowly to strongly curved, grey-green to sub-glaucous, sometimes slightly kinked at the gland (as in A. paraneura); parallel longitudinal nerves numerous, fine, close together, resinous and of uniform prominence. Inflorescences simple; flowers not seen but judging from fruiting receptacle the spikes are 10-13 mm long; peduncles (few seen) 5-8 mm long. Sepals free, linear-spathulate. Pods 15-45 mm long, 9-12 mm wide, reticulately nerved, minutely appressed -hairy; marginal wing absent or present (see discussion under Variation below). Seeds transverse in the pods, 4-5 mm long, 3-4 mm wide.

Flowering start in July and ends in October.


The main flower colour is yellow. The conifer like appearance of the mature trees sets it apart from other Acacia species and make it easily identifiable.

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Bio Regions

GVD - Great Victoria Desert


This image was taken approximately 1 kilometre west of Voakes Hill Corner on the Anne Beadell Highway

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