Common Name

Fibre-barked Wattle

Family

Fabaceae

Distribution

Restricted to N and E of Kondinin with a single collection from Moora, inland south-western W.A.

Description

Shrub or tree 1-3.5 m high. Bark stringy and shaggy on trunks, ±‘Minni-Ritchi’ on upper branches. New shoots bright yellow-green and ±viscid. Branchlets sericeous, resinous. Phyllodes ascending, filiform, gently curved, terete, 6-15.5 cm long, 0.6-0.8 mm diam., greyish green, resinous, with 8 closely parallel fine nerves obscured by sericeous indumentum. Inflorescences simple, 1 per axil; peduncles 0.7-3 mm long, densely golden appressed-hairy; heads obloid to cylindrical, 8-20 mm long, 4-6 mm diam., 50-76-flowered, golden; receptacle densely villous. Flowers 5-merous, hairy; sepals 1/3-1/2-united. Pods linear, slightly raised over seeds, slightly curved, to 8 cm long, 2.5-4 mm wide, thin-coriaceous, densely villous-tomentose. Seeds longitudinal, broadly elliptic or oblong, 3-3.5 mm long, glossy, mottled brown; pleurogram double; aril an apical thin flap of tissue.

Habitat

Grows in gravelly soil, sandy loam and sand, in scrub and shrubland.

Specimens

W.A.: Moora, 18 Aug. 1965, F.W.Humphries (PERTH); 8 km W of Pederah, B.R.Maslin 533 (BM, BRI, CANB, K, MEL, MO, NSW, PERTH); 29 km N of Kondinin towards Narembeen, B.R.Maslin 3423A (CANB, PERTH).

Notes

Seemingly related to A. ephedroides.

Field observations by B.R.Maslin suggest that this species forms hybrids with A. lasiocalyx near Bendering, W.A.

FOA Reference

Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia

Author

Minor edits by J.Reid

R.S.Cowan, B.R.Maslin