Citation: C. L. Willdenow, Sp. Pl. 4:1052 (1806). Mimosa stricta Andr., Bot. Repos. 1 :t.53, col. (1799).

Derivation: strictus (Latin)--drawn together, straight, erect, refers to the stiff upright habit.

Synonymy: Racosperma strictum (Andr.)Martius, Hort. Reg. Monac. Semin. (1835).

, Acacia emarginata, Acacia leprosa, Mimosa stricta

Common name: Hop wattle, Straight wattle

Description:
Tall, erect, dull green or slightly glaucous, glabrous and sometimes viscid shrubs, 2-4 m high; occasionally found in suckering clumps; branches ascending, angular, striate with resinous ridges on the young branchlets.

Phyllodes linear-lanceolate to narrow-linear or oblong, 5-12 cm long, 3-15 mm broad, flat, coriaceous, glabrous, central vein prominent and numerous fine lateral veins, apex obtuse, blunt or with a short oblique point; glands near the base.

Inflorescences axillary and twin or in clusters up to 4; flower-heads more or less globular, creamy yellow, 20-30-flowered; peduncles 2-8 mm long, more or less mealy; flowers 5-merous.

Legumes narrow-oblong, straight, 4-7 cm long, 3-5 mm broad, flattish, thin, light brown, apex obtuse or acuminate; margins not constricted. Seeds longitudinal in legume, obloid; funicle short with 2-3 folds and gradually thickening into a fleshy aril.

Distribution:  Restricted to a small local area in the South-Eastern region mainly in the Woods and Forests Department area between Millicent and Mount Gambier. Associated with Eucalyptus baxteri in open scrub vegetation with heath understorey, often in damp situations. Soils: mainly shallow red-brown sandy, shallow dark cracking clays. Rainfall c. 700-800 mm. Also Qld, N.S.W., Vic. and Tas. S.Aust.: SL, SE. Conservation status: Lang & Kraehenbuehl (1987) consider this species to be Rare. Flowering time: August — October.

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

Biology: No text

Related taxa: Allied to Acacia dodonaeifolia and Acacia verniciflua. These two species differ mainly in being viscid shrubs and in having flowers on much longer peduncles.

Cultivation: Useful erect shrub for ornamental near-coastal planting. Fast growth rate.

Author: Not yet available

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