Citation: M.D. Tindale, Contrib.N.S.W. Herb. 4:73 (1968).

Derivation: pruina (L.)—waxy; karpos (Gr.)—a fruit.

Synonymy: Acacia notabilis

Common name: gidgee

Description:
Shrubs or trees to 10 m high, multi-stemmed or single trunks for about 1 m or more before branching into a few main stems and forming quite dense spreading canopies; branchlets smooth somewhat pruinose, angular and soon becoming terete; bark dark grey, striated and fibrous.

Phyllodes linear, oblong or cultrate, 7-17 cm long, 6-30 mm broad, slightly oblique, straight or falcate, flat, thick, coriaceous, rigid, glaucous, mid-vein prominent with fine reticulate lateral veins, margins thickened and vein-like, apex obtuse; glands basal,

Inflorescences in false racemes with peduncles singly or in pairs, sparsely placed along the long axillary glabrous stalk; flower-heads globular, bright yellow, 55-65-flowered; peduncles 1-3.8 cm long, glabrous; flowers 5-merous.

Legumes stipitate, oblong, 3-10cm long, 9-17 mm broad, flat, but raised over the seeds, coriaceous, pruinose or reddish-brown; margins not constricted between seeds. Seeds transverse or obliquely placed in legume, almost orbicular, blackish; funicle short, filiform, thickening into a small cap-shaped aril.

Distribution:  Only a minor occurrence in the North-Western region in and near the Tomkinson and Mann Range area. In tall shrubland on sandy or rocky plains, associated with Acacia aneura and Triodia basedowii. Soils; neutral red earths. Rainfall approx 200 min. Also W.Aust. and N.T. S.Aust.: NW. Flowering time: October — December.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Related taxa: Acacia notabilis (sp. 53) has some similarity in the appearance of the phyllodes but differs markedly in its flower structure, more numerous heads per raceme and shorter, stouter peduncles.

Cultivation: Little known; recommended as a small shade tree for dry inland areas.

Author: Not yet available

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