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Acacia incongesta

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Acacia incongesta R.S.Cowan & Maslin, Nuytsia 10: 48 (1995)

Peak Charles Wattle

Rounded shrub 0.6- 4 m high. Branchlets glabrous or glabrescent. Phyllodes ascending to erect, narrowly elliptic, incurved, 4- 7 cm long, 3- 4.5 mm wide, acute, sharply to coarsely pungent, semi-rigid, at first appressed-puberulous on central nerve and marginal nerves (sometimes persistent on central nerve), with 3 distant, raised nerves, the central nerve more strongly raised and the marginal nerves thickened. Inflorescences simple, 2 per axil; peduncles 1- 3 mm long, puberulous; spikes 15- 25 mm long, 3- 4.5 mm diam., subdensely flowered, cream. Flowers 4-merous; sepals free; petals partly united. Pods pendent, linear, strongly raised over and slightly constricted between seeds, curved, to 10.5 cm long, 4 mm wide, thin-coriaceous, glabrous. Seeds longitudinal, broadly elliptic, 3- 4 mm long, subglossy, black; areole c. 1/3 seed length; funicle/aril apical.

Restricted to Peak Charles Natl Park (c. 100 km due SW of Norseman), south-western W.A. Grows on lower granitic mountain slopes and sandy clay flats, locally frequent in patches in heath.

Most similar in overall appearance to the southern element of the typical subspecies of A. neurophylla which differs by its 5- 7-nerved phyllodes, densely flowered, golden spikes and free petals.

Type of accepted name

Peak Charles, W.A., 10 Apr. 1971, A.S.George 10621 ; holo: PERTH; iso: CANB.

Representative collection

W.A.: Peak Charles, K.Newbey 6310 (CANB, PERTH).

(RSC)

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: Tuesday 11 September 2018