Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Leguminosae
Acacia pinguifolia


Citation: J. M. Black, Trans. R. Soc. S. Aust. 71:20 (1947)

Derivation: pinguis (L.)—fat; folium (L.)—a leaf.

Synonymy: Not Applicable

Common name: fat-leaved wattle

Dense, glabrous, spreading, light green shrubs 1-2 m high and often 2-3 m across with numerous, terete, ascending, arching branches from just above or at ground level; branchlets glabrous, smooth, reddish-brown; bark thin and pale grey at base of stems.

Phyllodes 1-3.5 cm long, 2-3 mm diam., straight or falcate, terete or somewhat compressed, rigid, thick andfleshy, light green, sub-sessile, veins longitudinal,10-15 rather obscure due to surface becoming wrinkled and grooved when dry, apex ending with a small hard thick mucro.

Inflorescences simple and axillary, solitary or twin or sometimes in clusters up to four heads; flower-heads globular, deep yellow, 20-30-flowered; peduncles glabrous, 5-10 mm long; flowers 5-merous.

Legumes 5-7 cm long, c. 5 mm broad, curved and finally twisted, swollen and raised over seeds, dark brown, margins light brown, slightly constricted between seeds, apex acute. Seeds longitudinal in legume, ellipsoid; funicle with 2-3 folds and terminating into a whitish fleshy aril.

Distribution:  Endemic to S.Aust., restricted to Eyre Peninsula region (southern part) and with another small occurrence in the Southern Lofty region near Finniss. The species is associated with Eucalyptus odorata, E. incrassata and Melaleuca uncinata in woodland or open scrub. Soils; mainly sandy or hard alkaline yellow duplex. Rainfall 400-500 mm.

S.Aust.: EP, SL.

Conservation status: Lang & Kraehenbuehl (1987) consider this species to be Endangered at all sites as do Briggs & Leigh (1988).

Flowering time: July — October.

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

Biology: No text

Related taxa: Near Acacia wilhelmiana (sp. 68) and Acacia menzelii (sp. 69). These two species differ mainly in being viscid and in having phyllodes with fewer veins.

Cultivation: An attractive shrub which flowers profusely in spring. It prefers neutral to alkaline soil. Moderate growth rate.

Author: Not yet available


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