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Acacia resinimarginea

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Acacia resinimarginea W.Fitzg. (as ‘resinomarginea’), J. Western Australia Nat. Hist. Soc. 1: 15 (1904)

Old Man Wodjil

Erect shrub or tree to 7 m high with rather straight trunks. Branchlets terete, resin-ribbed when young, glabrous except occasionally minutely hairy in phyllode axils. Phyllodes ascending to erect, linear, straight, rhombic in section, occasionally flat, 8–18 cm long, 1–1.5 wide, to 3 mm wide when flat, with a gently recurved-acuminate apex, glabrous, with a resinous nerve at apex of each of the 4 angles and with numerous finer nerves on the intervening faces; central nerve evident when phyllodes flat. Inflorescences simple; peduncles 2.5–6 mm long, glabrous, often granular resinous; heads obloid to short-cylindrical, 6–15 mm long, golden. Flowers 5-merous; sepals 3/4-united. Pods linear, raised over and constricted between seeds, straight, to 6 cm long, 2 mm wide, chartaceous, glabrous. Seeds longitudinal, elliptic-oblong, 2.5–3.5 mm long, semi-glossy, mottled dark and lighter brown; aril apical, crested.

Common from Perenjori SE to near Kambalda, also N to Leonora, inland south-western W.A. Grows in sand, rarely in loam, in scrub and shrubland, often in pure stands.

Related to A. jamesiana which has rigid phyllodes with straight apices, larger pods and non-mottled seeds.

Type of accepted name

Coolgardie district, W.A., n.d., E.Kelso ; lecto: NSW, fide B.R.Maslin & R.S.Cowan, Nuytsia 9: 392 (1994); isolecto (dated 1902): NSW, PERTH.

Representative collections

W.A.: 8 km NE of Mt Gibson turn-off on Wubin- Paynes Find road, R.Coveny 7904 & B.R.Maslin (BRI, CANB, K, MEL, NSW, PERTH, US); 58 km N of Wubin towards Perenjori, B.R.Maslin 3181 (PERTH); 17 km SSE of Londonderry, K.Newbey 6113 (PERTH); Leonora, B.Severne 76 (PERTH).

(RSC & 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