Acacia Heteroneura Var. Prolixa R.S.Cowan & Maslin

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WATTLE Acacias of Australia Acacia heteroneura var. prolixa R.S.Cowan & Maslin Source: W orldW ideW attle ver. 2. Source: W orldW ideW attle ver. 2. Source: W orldW ideW attle ver. 2. Published at: w w w .w orldw idew attle.com Published at: w w w .w orldw idew attle.com Published at: w w w .w orldw idew attle.com B.R. Maslin B.R. Maslin See illustration. Source: W orldW ideW attle ver. 2. Published at: w w w .w orldw idew attle.com B.R. Maslin Acacia heteroneura var. prolixa occurrence map. O ccurrence map generated via Atlas of Living Australia (https://w w w .ala.org.au). Family Fabaceae Distribution Scattered from Wubin E to near Wiluna and Laverton, southern W.A. Description Phyllodes angular-rhombic in section, sometimes ±flat, 6-13 (-18) cm long, 1-1.5 mm wide, sericeous generally (especially when young) or only between nerves; nerve at apex of each angle clearly wider than the 3 intervening fine secondary nerves. Peduncles commonly solitary, 5-8 mm long, sericeous with few obscure light brown resin-hairs intermixed; flower-heads widely ellipsoid to obloid, 8-9 mm long, 7-8 mm diam. Pods (few seen) to 10.5 cm long, 2.5 mm wide, tapered to stipe; margins about equalling valve width. Seeds (few seen) 4.5-5.5 mm long, tan mottled yellow. Habitat Northern populations grow in red sand in shrubland with Spinifex (Triodia sp.), and southern populations grow in sand over laterite in shrubland. Specimens W.A.: 35.4 km NE of Laverton, A.S.George 2821 (PERTH); 0.3 km N of Wubin, N.Hoyle 338 (PERTH); 106 km N of Sandstone towards Wiluna, R.D.Royce 10386 (CANB, K, PERTH). Notes Most closely related to var. jutsonii which normally has shorter phyllodes and globular to widely ellipsoid flower-heads; variety prolixa occurs to the north of the geographic range of var. jutsonii. FOA Reference Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia Author R.S.Cowan This identification key and fact sheets are available as a mobile application: URL: https://keys.lucidcentral.org/keys/v3/wattle Copyright 2018. All rights reserved..

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BHP BILLITON YEELIRRIE DEVELOPMENT COMPANY PTY LTD Yeelirrie Project Flora and Vegetation Survey Baseline Report February
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WATTLE Acacias of Australia Acacia heteroneura var. petila R.S.Cowan & Maslin Source: W orldW ideW attle ver. 2. Source: W orldW ideW attle ver. 2. Published at: w w w .w orldw idew attle.com Published at: w w w .w orldw idew attle.com B.R. Maslin See illustration. Source: W orldW ideW attle ver. 2. Acacia heteroneura var. petila occurrence map. Published at: w w w .w orldw idew attle.com O ccurrence map generated via Atlas of Living B.R. Maslin Australia (https://w w w .ala.org.au). Family Fabaceae Distribution Of restricted distribution, from Miling (c. 30 km due SW of Dalwallinu) SE to Trayning (c. 60 km due NW of Merredin), with a variant from Morawa and near Wubin, south-western W.A. Description Phyllodes ±terete to rhombic-terete in section, sometimes angular-rhombic, 3–6 cm long, 0.7–1 mm diam., somewhat pungent, sericeous between the nerves or glabrous (young phyllodes with minute red resin-hairs especially on the main nerves); nerve at apex of each (normally slight) angle slightly or obviously wider than the 3 intervening nerves. Peduncles 2–6 mm long, densely sericeous with varying proportions of red resin-hairs intermixed; flower-heads globular, 5–6 mm diam., golden. Pods to 8 cm long, 1.5–2 mm wide, 2–2.5 mm thick; margins about as broad as valve width. Seeds 3.5–4 mm long, yellowish brown with ±sparse darker brown mottlings. Habitat Grows in yellow sand and gravelly sand, in scrub and shrubland. Specimens W.A.: between Maya and Latham, T.E.H.Aplin 427 (PERTH); between Pithara and Miling, W.E.Blackall 2889 (PERTH); 8.5 km from Wubin towards Wongan Hills, E.M.Canning WA/68 2920 (PERTH: variant); c.
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