Acacia unguicula R.S.Cowan & Maslin, Nuytsia 7: 218; 211, fig. 1K–N (1990)
Shrub 1–2 m or tree to 3 m high. Branchlets slightly ribbed, glabrous except appressed-puberulous in axils. Stipules persistent, spinose, recurved, 0.5–1.2 mm long. Phyllodes erect, narrowly oblong to oblong-oblanceolate or elliptic, straight or slightly curved, 2- 4 cm long, 3–4 mm wide, acute, pungent, rigid, olive green, glabrous, with 14–16 distant, strongly raised, yellowish nerves, the internerve region green and bearing stomata; glands 1 or 2. Inflorescences simple, 2 per axil; peduncles 7–11 mm long, glabrous; heads globular, 5–6 mm diam., 24–34-flowered, deep golden. Flowers 5-merous; sepals free. Pods (immature) linear, to 6 cm long, 2 mm wide, slightly appressed-puberulous. Seeds not seen.
Known only from Ninghan Stn, between Wubin and Paynes Find in south-western W.A. Grows in rocky clay or loam in open scrub.
Related to A. lineolata subsp. multilineata and A. patagiata but differing in its persistent, spinose stipules and very strongly raised nerves. Also similar to A. formidabilis .
Type of accepted name
Mt Singleton, Ninghan Stn, W.A., 6 Aug. 1969, R.A.Saffrey 829 ; holo: PERTH; iso: K, MEL, NSW, NY.
Illustration
R.S.Cowan & B.R.Maslin, loc. cit.
Representative collection
W.A.: type locality, B.R.Maslin 4240 (CANB, K, MEL, PERTH).
(RSC)
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.
