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Acacia caroleae

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Acacia caroleae Pedley, Austrobaileya 1: 132; 233, fig. 9I (1978)

Multistemmed shrub or fastigiate tree to 7 m high. Bark corrugated, fissured, dark grey. Branchlets angular, pinkish to dull purplish red, sometimes mealy, glabrous, often resinous. Phyllodes linear, flat, straight to shallowly incurved, 5–21 cm long, 1.5–4 (-6.5) mm wide, coriaceous, scurfy, glabrous, the minor veins c. 8 per mm, inconspicuous, parallel, not anastomosing, the midvein evident; gland 1, rudimentary, basal, to 1.5 mm above pulvinus. Spikes in short racemes, 1–3.5 cm long, golden. Flowers 5-merous; calyx 0.5–1.1 mm long, dissected to 1/4, sparsely hairy at base and apex; corolla 1.2–1.8 mm long, glabrous; ovary glabrous or with apical hairs. Pods linear, raised over seeds, 6–8 cm long, wrinkled, glabrous. Seeds longitudinal, oblong-elliptic, 4–4.5 mm long, dark brownish black; pleurogram slightly paler, open, without halo; areole brownish black.

Widespread in inland south-eastern Qld and north-eastern N.S.W. between Moura and Gilgandra, on sandy, often alluvial soils usually in open eucalypt forests and woodlands often dominated by Callitris , and frequently in disturbed areas. Flowers mainly Aug.–Oct.

It is related to A. granitica which has almost sessile spikes, and to A. burrowii which has broader phyllodes, mostly shorter calyces and longer corollas, but it lacks the broad juvenile phyllodes of the latter. Closely related to A. doratoxylon .

Type of accepted name

Eidsvold, Qld, Nov. 1918, T.L.Bancroft 32 ; lecto: NSW, fide P.G.Kodela, Telopea 7: 420 (1998); isolecto: BRI, K; paralectotypes: see P.G.Kodela, loc. cit .

Synonymy

Acacia caroleae is based on the following . A. doratoxylon A.Cunn. var. angustifolia Maiden, J. & Proc. Roy. Soc. New South Wales 53: 217 (1920). Type: as for accepted name.

Racosperma caroleae (Pedley) Pedley, Austrobaileya 2: 346 (1987). Type: as for accepted name.

Illustrations

M.Simmons, Acacias Australia 1: 261 (1987); K.A.W.Williams, Native Pl. Queensland 3: 3 (1987); T.Tame, Acacias SE Australia 59, fig. 39; pl. 39 (1992).

Representative collections

Qld: ‘Alice Wells’, on N boundary of Mt Playfair Stn, D.F.Blaxell 1466 & J.Armstrong (BRI, MEL, NSW); 14.2 km N of Tara, N.Hall H 78/29 (NSW); 15 km ESE of Inglewood, A.N.Rodd 4113 (BRI, MEL, NSW). N.S.W.: 4.8 km along Forest Way Rd, S of Narrabri, N.Hall H 84/53 (NSW).

(NSW)

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