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Acacia quornensis

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Acacia quornensis J.M.Black, Trans. Roy. Soc. S. Australia 73: 6 (1949)

Quorn Wattle

Spreading, bushy shrub 2–3 m high. Branchlets dark red-brown, glabrous. Phyllodes narrowly elliptic to oblanceolate, 2–5.5 cm long, 4–10 mm wide, acute to acuminate, thinly coriaceous, pale green to glaucous, glabrous; midrib slightly excentric; lateral nerves obscure; gland not prominent, 10–16 mm above pulvinus. Inflorescences racemose, with raceme axes 5–30 mm long, glabrous; peduncles 3–7 mm long, slender, glabrous; heads globular, rather loosely 8–15-flowered, light golden; buds often subacute. Flowers 5-merous; sepals united to near their apices. Pods broadly linear to narrowly oblong, to 13 cm long, 8–9 mm wide, firmly chartaceous to thinly coriaceous, glabrous. Seeds longitudinal, oblong, 5–6 mm long, slightly shiny, black; funicle encircling seed in a double fold, convoluted, brittle, dark reddish; aril clavate.

Restricted to the Quorn- Hawker area, Flinders Ra., S.A. Grows in shallow calcareous loam along rocky creeks or on the lower slopes of ranges, in low woodland associated with Callitris glaucophylla .

A member of the ‘ A. microbotrya group’ most closely related to A. wattsiana which has obtuse phyllodes, 12–20-flowered heads and obtuse buds.

Type of accepted name

Quorn, S.A., Sept. 1947, M.E.Groves per R.E.Bernier s.n. (flowering specimens); syn: AD98243003 (sphalm. ‘Nov. 1947’), AD98243002 (sphalm. ‘Oct. 1947’), MEL616146, MEL616145; Quorn, S.A., Nov. 1948, M.E.Groves s.n. (fruiting specimens); syn: AD98243003, MEL616146.

Illustrations

L.F.Costermans, Native Trees & Shrubs SE Australia 316 (1981); M.Simmons, Acacias Australia 129 (1981); D.J.E.Whibley & D.E.Symon, Acacias S. Australia 2nd edn, 129 (1992).

Representative collections

S.A.: Flinders Ra., c. 5 km NW of Quorn, B.Copley 3247 (AD, MEL, NSW, PERTH); Flinders Ra. region, creek near Yourambulla Peak, D.J.E.Whibley 7032 (AD).

(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: Tuesday 11 September 2018