Family

Fabaceae

Distribution

Known only from between Meekatharra and Cue and near Yalgoo (which is c. 150 km SW of Cue), in south-western W.A.

Description

Bushy shrub or small tree 2–3 m high. Branchlets terete, glabrous. Phyllodes erect, straight to shallowly incurved, often ±bent at gland, terete, (7–) 8–12 cm long, 1–1.5 mm diam., pungent, rigid, subglaucous, glabrous, with 8 distant strongly raised nerves. Inflorescences (judging from very young buds) simple, 1 or 2 per axil; peduncles 5–10 mm long (in fruit), glabrous. Heads (judging from fruiting receptacles) broadly ellipsoid to obloid. Flowers presumably 4-merous. Pods moniliform, shallowly curved, to 13.5 cm long, 4–6 mm wide, chartaceous, light brown, glabrous. Seeds longitudinal, globular, equatorially ridged, umbonate at apex, ±5 mm diam., dull, brown; aril minute.

Habitat

Collected in mulga scrub on low hills underlaid by basalt, granite or dolerite.

Specimens

W.A.: 4.2 km E of Yalgoo, R.J.Cumming 1979 (K, PERTH); 43.5 km W of Yalgoo towards Mullewa, B.R.Maslin 3621 (PERTH); Norie Stn, A.A.Mitchell 979 (AD, BRI, G, PERTH); 10 km W of Coodardy Stn HS, A.A.Mitchell 1337 (PERTH).

Notes

Relationships unclear but may be related to A. obtecta.

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 B.R.Maslin & J.Reid

R.S.Cowan