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Acacia subtilinervis

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Acacia subtilinervis F.Muell., Fragm . 4: 8 (1863)

Shrub 2–5.5 m high. Bark smooth or subfibrous, grey. Branchlets terete, dark red-brown, resinous, at first densely covered with resin hairs towards apices. Phyllodes linear-elliptic, very narrowly or narrowly elliptic, flat, 5.3–19.5 cm long, mostly 3–16 mm wide, coriaceous, with numerous stomates, glabrous, with prominent midnerve, the minor nerves 2–4 per mm, conspicuous, longitudinal, nonanastomosing; gland 1, minute, basal. Spikes 1.4–3 cm long, golden. Flowers 5-merous; calyx 0.5–0.8 mm long, shallowly lobed, with white-hyaline hairs on tube and minute reddish hairs on lobes; corolla 1.4–1.8 mm long, dissected for 1/3–1/2. Pods linear, straight-sided to slightly constricted between and raised over seeds, 2.5–8 cm long, 3–4.5 mm wide, chartaceous, glabrous. Seeds longitudinal, elliptic-oblong, 3.8–4 mm long, blackish brown; areole open.

Occurs in N.S.W. from the Wolgan R., on the Central Coast–Central Tablelands border, the South Coast and Southern Tablelands from the Budawangs, towards Nowra, near Yalwal, Cambewarra and Nerriga southwards to the upper Snowy R., Vic. Grows in heath or eucalypt forest, in sandy gravelly soil amongst boulders, on granite, rhyolite and sandstone. Flowers Aug.–Dec.

The venation of A. hyaloneura resembles that of A. subtilinervis .

Type of accepted name

Granite hills about Mt Imlay, [N.S.W.], F.Mueller s.n .; holo: MEL n.v .; iso: NSW.

Synonymy

Acacia subtilinervis F.Muell., Pl. Victoria 2: 32 (1863), nom. inval . (not effectively published, fide A.B.Court et al ., Nuytsia 9: 315–318, 1994).

Illustration

L.Costermans, Native Trees Shrubs SE Australia 305 (1981).

Representative collections

N.S.W.: 2.6 km along Nowra–Yalwal road, R.Bisby & R.G.Coveny 3985 (A, AD, BRI, CANB, K, NSW, PERTH, US); 12.9 km E of Tianjara Falls, D.J.McGillivray 3114 & M.D.Tindale (AD, BRI, CANB, K, MEL, L, US); 600 m SSW of ‘Ocean View’, J.D.Briggs 2024 & M.Parris (CANB, NSW). Vic.: Museum Spur falling E to Snowy R., N.G.Walsh 2212 & K.C.Norris (MEL n.v .).

(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: Tuesday 11 September 2018