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 leiophylla


Citation: G. Bentham, Hook. Lond. J. Bot. 1:351 (1842).

Derivation: leios (Gr.)--smooth; phyllon (Gr,)--a leaf.

Synonymy: Acacia retinodes Schltdl. var. oraria J. M. Black ex C. M. Eardley in J. M. Black, Fl. S. Aust. ed.2, 945 (1957)., Acacia rubida

Common name: None

Erect or spreading shrubs 1-2.5 m high, either dense compact and single stemmed or spreading and openly branched with a number of stems arising from near ground level; branchlets glabrous, terete to slightly angular, flexuose towards the apex.

Phyllodes lanceolate, 7-17 cm long, 9-25 mm broad, usually broadest above the middle, falcate, glabrous, pale green, mid-vein obvious, lateral veins rather obscure; glands small on upper margins, 4-15 mm from the base.

Inflorescences axillary racemes, shorter than the phyllodes or sometimes paniculate at the ends of branchlets due to phyllode reduction, raceme axis slightly flexuose and glabrous; flower-heads globular, bright yellow, c. 25-30-flowered; bracteoles light brown and conspicuous when in bud; flowers 5-merous.

Legumes linear, 9-12.5 cm long, 5-6 mm broad, more or less straight, firmly chartaceous, raised over seeds, glabrous, dark brown; margins slightly constricted between seeds. Seeds longitudinal or slightly oblique in legume, obloid; funicle long, more or less encircling seed in a double fold, gradually expanded into a pale yellowish aril.

Distribution:  Endemic to South Australia, from near Coffin Bay, Eyre Peninsula region (southern part) through the Yorke Peninsula (southern part), Kangaroo Island and the South-Eastern regions. It is found in near coastal regions in open scrub formation, associated with Eucalyptus diversifolia, Acacia pycnantha and Acacia longifolia var. sophorae. Soils: mainly red shallow porous loamy calcareous sands and leached sands. Rainfall 500-800 mm

S.Aust.: EP, YP, SL, KI, SE.

Flowering time: August — November.

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

Biology: No text

Related taxa: Closely allied to Acacia retinodes and Acacia pycnantha; see under these species for distinguishing features.

Taxonomic notes: The identity of Acacia leiophylla is discussed by Maslin & Whibley (1977). An illustration and map of distribution is given. It is endemic to South Australia.

Cultivation: A very attractive, free-flowering species and highly recommended for ornamental planting; fast growth rate.

Author: Not yet available


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