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Acacia lanei

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Acacia lanei R.S.Cowan & Maslin, Nuytsia 7: 192; 193, fig. 2D–F (1990)

Hyden Wattle

Spreading shrub 2 m high. Branchlets resin-ribbed, white-sericeous especially at nodes but indumentum often obscured by resin. Phyllodes ascending, linear to linear-elliptic, straight or weakly curved, 4.5–6 cm long, 3–5 mm wide, obtuse-mucronulate to subacute, glabrous except white-sericeous at base and on pulvinus, with numerous subdistant nerves and sometimes few anastomoses inbetween. Inflorescences 1- or 2-headed racemes or simple; raceme axes 0.5–3 (- 7) mm long, terminated by a normally dormant, resinous vegetative bud at anthesis; peduncles 3–5 mm long, white-sericeous but indumentum obscured by red-brown resin hairs except at base; heads globular, 4-6 mm diam., 34–38-flowered. Flowers 5-merous; sepals free. Pods linear, raised over seeds, arcuate, to 12 cm long, 2–3 mm wide, thinly crustaceous, glabrous, viscid. Seeds longitudinal, oblong, 3.5–4.5 mm long; aril apical.

Restricted to a small area around Hyden in south-western W.A. Grows with Eucalyptus loxophleba or E. salmonophloia along creek and drainage lines, in red or brown clay, clay loam or gravelly loam. Planted more widely as a windbreak; unpalatable to livestock.

A member of the ‘ A. flavipila group’ and seemingly closely allied to several species in the A. ixiophylla alliance, fide R.S.Cowan & B.R.Maslin, op. cit . 194. Acacia lanei is distinguished most readily from A. ixiophylla by its elongated phyllodes and from all related species by the white indumentum in the phyllode axils and at the base of the peduncles. Superficially similar to A. pelophila and A. spongolitica .

Type of accepted name

3.6 miles [5.7 km]E of Hyden on the road to Holt Rock, W.A., 14 July 1970, B.R.Maslin 566 ; holo: PERTH; iso: BRI, K.

Illustration

R.S.Cowan & B.R.Maslin., loc. cit.

Representative collections

W.A.: Kulin, 22 km S of Hyden, 21 Aug. 1985, K.Atkins s.n. (CANB, MEL, NSW, NY, PERTH); Hyden, July 1979, R.Lane s.n. (PERTH 00336963).

(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