Acacia anarthros Maslin, Nuytsia 2: 354 (1979)
Subshrub 0.2- 0.5 m high. Branchlets flexuose, appressed-puberulous to strigulose. Stipules spinose, 3- 7 mm long. Primary leaf axis clearly continuous and decurrent with branchlet, 0.5- 2 cm long, stout, subulate, straight or recurved, spinose; pinnae 1 pair, 2- 5 mm long; petiole absent; pinnules 2- 3 pairs, 4- 10 mm long, 0.5- 1.5 mm wide, revolute, green, glabrous. Inflorescences simple, 1 per axil; peduncles 7- 15 mm long, hirsutellous to puberulous; heads globular, 14- 16-flowered, golden. Flowers 5-merous; sepals c. 1/2-united, 5-nerved, the lobes ciliolate and sometimes additionally pilose; petals 1-nerved. Pods narrowly oblong, to 6 cm long, 5- 8 mm wide, crustaceous, shortly villous. Seeds longitudinal, broadly elliptic to circular, 3- 4 mm long, microscopically rugose.
Restricted to near New Norcia, south-western W.A. Grows in sand, gravelly loam and gravel, in open Wandoo ( Eucalyptus wandoo ) and Marri ( Corymbia calophylla ) woodland and also heath.
Formerly included under A. drewiana .
Type of accepted name
‘Boxvale’ [an uncertain locality somewhere E of York, perhaps near the Cubbine Hills between Cunderdin and Quairading, fide B.R.Maslin, Nuytsia 10: 177 (1995)], W.A., J.Wells ; holo: MEL49593.
Synonymy
Acacia anarthros is based on the following: Acacia drewiana s ubsp. pungens Maslin, Nuytsia 1: 475; 473, fig. 31J- K & 486, map 5 (1975). Type: as for accepted name.
Illustrations
B.R.Maslin, loc. cit.(1975), as A. drewiana subsp. pungens .
Representative collection
W.A.: near New Norcia, B.R.Maslin 4117 (CANB, K, MEL, PERTH, TLF).
(BRM)