Family

Fabaceae

Distribution

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.

Description

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; 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, with 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 shiny-resinous. Seeds longitudinal, elliptic, 3–3.5 mm long, glossy, brown; aril apical to subapical.

Habitat

Grows in clay soil, loam, and sandy or gravelly loam to brown, red or white sand.

Specimens

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).

Notes

A member of the ‘A. flavipila group’ most nearly related to A. ixiophylla and A. vittata; A. lobulata is also related but more distantly.

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, B.R.Maslin