Acacia sorophylla E.Pritz., Bot. Jahrb. Syst. 35: 296, fig. 33E–G (1904)
Dense, intricate, spreading, glabrous, often domed shrub 0.1–0.4 m high; terminal branches often arching downwards. Phyllodes some or all fasciculate or crowded on short or nodose branchlets, obtriangular to cuneate or oblanceolate, 1.5–2.5 mm long, 0.5–1 mm wide, rounded at excentrically rostriform apices, thick, drying slightly wrinkled, nerveless. Inflorescences simple, solitary at or near apex of short, lateral branchlets; peduncles 2–3.5 mm long, recurved in fruit; heads globular, 3–3.5 mm diam., 7–11-flowered, golden. Flowers 5-merous; sepals free or united. Pods tightly spirally coiled, to c. 1 cm long (unexpanded), valves 2.5–3 mm wide, thinly crustaceous, blackish, slightly resinous. Seeds longitudinal, oblong, 3 mm long, dull, brown, minutely verruculose, exarillate.
Known only from near Scaddan E to near Mt Ragged in the Cape Arid Natl Park, south-western W.A. Grows mostly in calcareous loam, less commonly in sand or clay, in open tree or shrub mallee and low eucalypt woodland, occasionally near margin of salt lakes.
Relationships unknown.
Type of accepted name
45 km N of Esperance, W.A., L.Diels 5445 ; holo: formerly B, probably destroyed during the 1939- 45 war; iso: PERTH (Fragment ex B).
Illustration
E.Pritzel, loc. cit .
Representative collections
W.A.: 20.5 km NE of Clyde Hill, M.A.Burgman 2803 & C.Layman (PERTH); 5 km N of Scaddan on Coolgardie- Esperance Hwy, B.R.Maslin 5458 (CANB, K, PERTH); 7 km NW of Mt Ragged, K.Newbey 8062 (CANB, PERTH).
(BRM)
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.
