Acacia binervia (J.C.Wendl.) J.F.Macbr., Contr. Gray Herb . 3(59): 7 (1919)
Coast Myall
Glaucous shrub or tree to 15 m high. Bark deeply fissured, flaky, dark grey-brown. Branchlets angular to flattened towards apex, grey or dark grey, puberulous. Phyllodes very narrowly elliptic to elliptic, mostly narrowed at both ends, flat, falcate, sometimes straight and dimidiate, 4.5–14 cm long, 7–23 mm wide, thinly coriaceous, minutely silvery-pubescent, with 3–5 main nerves free to base, the minor nerves 4 or 5 per mm, parallel, occasionally anastomosing; gland 1, basal, to 1 mm above pulvinus. Spikes 2–5.5 cm long, golden. Flowers 5- or rarely 4-merous; calyx 0.5–0.6 mm long, dissected to 1/4, yellow- to golden- or rarely white-pubescent; corolla 1.5–1.8 mm long, dissected to 1/4–1/3, glabrous or slightly hairy; ovary pubescent. Pods linear, not moniliform, straight, 3–7 cm long, sharply tapered at apex and base, woody, sparsely pubescent, resinous. Seeds longitudinal, elliptic-oblong, 4–4.5 mm long, black; pleurogram open, without halo.
Common on the coast, central tablelands and central western slopes of N.S.W., also on the southern tablelands inland from Bega, and known in Vic. by a single collection in the upper Snowy R. area, fide T.J.Entwistle et al. Fl. Victoria 3: 602 (1996). Grows in dry open forest or woodland, depauperate rainforest and open scrub on rocky or stony hillsides of shale or sandstone, along watercourses or on hind dunes of beaches. Flowers Sept. & Oct.
Young shoots are usually very densely clothed with yellow or sometimes silvery hairs. This species is toxic to livestock.
Allied to A. blakei and related taxa.
Type of accepted name
South Sea Islands [= Botany Bay, N.S.W., Australia]; holo: n.v .
Synonymy
Mimosa binervia J.C.Wendl., Bot. Beob . 56 (1798); Acacia glaucescens Willd., Sp. Pl. 4th edn, 4: 1052 (1806), nom. illeg . (superfluous); M. glaucescens (Willd.) Poir., Encycl. Suppl. 1: 61 (1810), nom. illeg . ( M. binervia cited in synonymy). Type: as for accepted name.
Acacia homomalla H.L.Wendl., Comm. Acac. Aphyll . 6, 49, t. 13 (1820). Type: "Nova Hollandia"; holo: n.v .
Acacia cinerascens Sieber ex DC., Prodr . 2: 454 (1825). Type: Nova Hollandia, 1825, Sieber 448 ; holo: G-DC; iso: BM n.v ., NSW.
Acacia leucadendron A.Cunn. ex Benth., London J. Bot . 1: 374 (1842); A. glaucescens var. leucadendron (A.Cunn. ex Benth.) Domin, Biblioth. Bot . 89: 269 (1926). Type: Hunter’s River, N.S.W., A.Cunningham ; syn: K. [Brisbane River, Fraser , also cited, but is A. aulacocarpa s. lat .].
Illustrations
H.L.Wendland, loc. cit .; W.J.Hooker, Bot. Mag . 59: t. 3174 (1832), as A. cinerascens ; J.H.Maiden, Forest Fl. New South Wales 4(8): pl. 145 (1911), as A. glaucescens ; L.Costermans, Native Trees Shrubs SE Australia 306 (1981).
Representative collections
N.S.W.: Port Stephens, Sept. 1911, J.L.Boorman (BRI, CANB, NSW, PERTH); Nortons Basin, 2.5 km WNW of Wallacia, R.G.Coveny 11282 & P.Hind (A, AD, B, E, K, MEL, MO, NSW, P, PERTH, U, US, UC); Wheeny Ck crossing on Comeroy Rd near E Kurrajong, P.D.Hind 6702 & R.Harrison (NSW); N of Mangrove Ck, Nov. 1923, P.Murphy (NSW); Adams Lookout, SE of Morulan, R.Pullen 3914 (CANB, NSW). Vic.: Snowy R., S of Sandy Ck, 14 May 1989, J.Turner 556 (MEL n.v .).
(NSW)
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.
