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

Family: Leguminosae
Acacia menzelii


Citation: J. M. Black, Trans. R.Soc. S. Aust. 41:45 t. ll (1917).

Derivation: menzelii—in honour of O. E. Menzel (?-1917), a botanical collector, who first collected a specimen in flower, August 8th, 1897, at Monarto, S.Aust.

Synonymy: Not Applicable

Common name: Menzel's wattle

Erect, compact, rounded spreading, resinous shrubs l-2mhigh, branching near ground level into a number of ascending stems; branchlets terete, resinous and sprinkled with a few short fine white hairs; phyllode bases conspicuous on the stems; bark grey-brown and slightly fissured.

Phyllodes terete or subterete, 1.5-3.5 cm long, c. 1 mm diam., straight or slightly curved, spreading erect, viscid, 5-6 longitudinal resinous veins and furrows in all, apex obtuse with scarcely any point, usually with a small oblique gland.

Inflorescences simple and axillary, solitary or twin; flower-heads 25-30-flowered; peduncles thin, 4-8 mm long glabrous, viscid; flowers 5-merous. Legumes linear, 2.514.5 cm long 2-3 mm broad, curved or slightly twisted, biconvex, viscid, pustulate, brown, contracted and acute at both ends, margins vein-like, yellowish, scarcely constricted between seeds. Seeds longitudinal in legume; funicle with 2-3 folds under a large fleshy whitish aril.

Distribution:  Endemic to South Australia found in a small area in the Murray region near Monarto, Murray Bridge. In open scrub, associated with Eucalyptus socialis and E. incrassata. Soils; grey-brown calcareous loamy earths. Rainfall 350-400 mm.

S.Aust.: FR, MU.

Conservation status: Lang & Kraehenbuehl (1987) consider this species to be Poorly Known and Briggs & Leigh (1988) consider it to be Vulnerable but conserved.

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: Can be confused with Acacia wilhelmiana (sp. 68) which differs in having flat or subterete phyllodes and prominent golden pubescent peduncles. Acacia pinguifolia (sp. 80) has phyllodes 2-3 mm diam. and more longitudinal veins. Acacia barattensis (sp. 70) has flattened and longer phyllodes.

Taxonomic notes: A. menzelii is illustrated in colour in Kenny (1976).

Cultivation: Not known in cultivation but could be a useful ornamental shrub in lower rainfall areas.

Author: Not yet available


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