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Acacia cowaniana

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Acacia cowaniana Maslin, Nuytsia 7: 226 (1990)

Cowan’s Wattle

Resinous shrub or tree normally to 5 m high. Branchlets glabrous or sparsely antrorsely puberulous with white or golden hairs, yellow (? resin) lines or irregular tubercles flanking the obscure ribs. Phyllodes patent to inclined, narrowly linear, mostly incurved, 3–5 cm long, 1–2.5 mm wide, l:w = 10–46, uncinate to subuncinate, rostellate, green, sometimes golden or white appressed-puberulous on some nerves, obscurely 3–7-nerved; gland basal. Inflorescences normally 2-headed racemes; raceme axes 2–3 mm long; peduncles 5–7 mm long, sparsely to moderately appressed-puberulous with white or golden hairs; heads globular, 20-flowered, cream to pale lemon yellow. Flowers 5-merous; calyx membranous, sepals c. 1/2-united. Pods linear, to 8 cm long, 4.5–6 mm wide, firmly chartaceous, villous or puberulous, glabrescent. Seeds (few seen) longitudinal to longitudinally oblique, oblong-elliptic to oblong-ovate, c. 3.5 mm long, sometimes to 5mm long; aril clavate.

Restricted to a few granite outcrops near Kellerberrin and Kulin, south-western W.A.

A member of the ‘ A. wilhelmiana group’ distinguished from A. wilhelmiana by its pale coloured flower-heads, sparse peduncle indumentum, broad, straight pods and usually longer phyllodes.

Type of accepted name

Mt Caroline, 21km due SSW of Kellerberrin, W.A., 10 Apr. 1986, B.R.Maslin 6015; holo: PERTH; iso: CANB, K, NY.

Representative collections

W.A.: Jilakin Rock, 14 km E of Kulin, 2 May 1986, K.J.Atkins s.n. (PERTH); 8 km N of Kellerberrin on ‘Shark Mouth’ Rd, B.R.Maslin 589a (MEL, NSW, PERTH).

(BRM)

WATTLE Acacias of Australia CD-ROM graphic

The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.

Page last updated: Thursday 22 June 2023