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Acacia verricula

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Acacia verricula R.S.Cowan & Maslin, Nuytsia 7: 197; 193, fig. 2J–L (1990)

Spreading shrub 0.5–3 m high, rarely 2 m high tree. Branchlets resinous, sparingly puberulous. Phyllodes narrowly- or linear-elliptic to oblanceolate, inequilateral, obtuse to acute, 1.5–3 cm long, 3–6 mm wide, thin-coriaceous, straight to slightly curved, glabrous or sparsely appressed-hairy on margins, resinous, with 2 or 3 distant main nerves sometimes evident, the secondary nerves mostly impressed and anastomosing in a regular reticulum; gland mostly 2–6 mm above pulvinus. Inflorescences 1- or 2-headed racemes; raceme axes 1–6 mm long, often resinous; peduncles mostly 3–6 mm long, puberulous, the hairs often golden; heads globular, 4–5 mm diam., 25–35-flowered, golden. Flowers 5-merous; sepals free. Pods linear, mostly undulate, arcuate, to 5 cm long, 2–4 mm wide, glabrous or few antrorsely curved micro-hairs, markedly nitid-resinous. Seeds longitudinal, elliptic, 3–3.5 mm long, glossy, brown; aril apical to subapical.

Occurs sporadically from Chiddarcooping Hill and Trayning S to the Fitzgerald R. and E to near Sparkle Hill and Buningonia Spring in south-western W.A. One outlier was collected at Madura, c. 320 km ESE of Buningonia Spring. Grows in clay soil, loam, and sandy or gravelly loam to brown, red or white sand.

A member of the ‘ A. flavipila group’ most nearly related to A. ixiophylla and A. vittata ; A. lobulata is also related but more distantly. Can be confused with A. consobrina which is most readily distinguished by its phyllodes having a normally denser indumentum with the hairs on the surface of the lamina and the reticulum normally less well developed and with clearly elongated nerve-islands.

The A. ixiophylla referred to by B.R.Maslin, Nuytsia 1: 329 (1974), in the protologue of A. redolens , was subsequently described as A. verricula .

Type of accepted name

c. halfway between Peak Charles and Peak Eleanora, W.A., 14 Aug. 1985, B.R.Maslin 5796 ; holo: PERTH; iso: CANB, K, MEL, NSW.

Synonymy

? Acacia glutinosa F.Muell. p.p. , nom. ambiguum , see discussion in R.S.Cowan & B.R.Maslin, Nuytsia 7: 198 (1990).

[ Acacia ixiophylla auct. non Benth.: W.E.Blackall & B.J.Grieve, W. Austral. Wildfl. pt 1: 194 (1954)]

Illustration

R.S.Cowan & B.R.Maslin, Nuytsia 7: 193, fig. 2J–L (1990).

Representative collections

W.A.: top of scarp, Madura, T.E.H.Aplin & M.E.Trudgen 5829 (AD, BM, BRI, G, PERTH); 1.6 km W of Yellowdine on Great Eastern Hwy, B.R.Maslin 2395 (CANB, K, MEL, PERTH); 10 km N of Trayning towards Bencubbin, B.R.Maslin 4149 (PERTH); Buningonia Spring, c. 70 km SSW of Zanthus, K.Newbey 8255 (PERTH); Chiddarcooping Hill Nature Reserve, A.S.Weston 14261 (CANB, K, 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