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Acacia lullfitziorum

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Acacia lullfitziorum Maslin, Nuytsia 12: 369 (1999)

Rigid, spreading shrub 0.2–0.7 m high, often forming low-domed mats. Branches glabrous or with short, hooked hairs, dividing into numerous, short, divaricate, spinose branchlets. Stipules scarious, 1–2.5 mm long. Phyllodes sometimes in nodose fascicles of 2–5, oblong to elliptic, ovate or obovate, commonly 5–10 mm long and 2–4 mm wide, l:w = 2–3.5, obtuse, often mucronulate, thin, glabrous or appressed-hairy on margins; midrib not prominent. Inflorescences simple, 1 or 2 per axil; peduncles 5–10 mm long, glabrous or sparsely hairy, ebracteate basally, a supra-basal bract subpersistent, 0.5–1 mm long; heads globular to shortly obloid, 3–4.5 mm diam., 15–20-flowered, golden; bracteoles membranous, spathulate, c. 1 mm long. Flowers 4- or 5-merous; sepals free. Pods curved, subterete, to 3 cm long, 2 mm wide, thinly coriaceous, longitudinally reticulate, glabrous. Seeds longitudinal, oblong, 2.5–3 mm long, shiny, dark brown with yellowish centre; aril thick.< /FONT >

Principally from Arthur R. (c. 28 km due E of Darkan) S to near Cranbrook and Ongerup, but with single collections from near Goomalling and Badgingarra (Badgingarra is c. 60 km NW of Moora), south-western W.A. Grows in clay, sandy clay and sandy or gravelly loam in Eucalyptus wandoo woodland.

A number of specimens at the southern end of the range, which might be included in this species, differ in varying respects but all lack the short, divaricate, spinescent branchlets of A. lullfitziorum ; the variability they exhibit has not been included in this account of the species. Some, such as J.Drummond s.n. (K) from south-western W.A., and A.S.George 15255 (PERTH) from 21 km N of Frankland on Kojonup road, have longer than typical peduncles and slightly exserted bracteoles in bud; others with the same set of states but with longer phyllodes include A.S.George 11063 (PERTH), from Fairfield Rd, SSW of Katanning; and still others, such as K.Newbey 1508 (PERTH), from 17.5 km SE of Ongerup, have longer but narrower phyllodes and linear, constricted, non-reticulated pods. Clearly, this is an assemblage requiring additional study for its full resolution.

Often cultivated as A. congesta which is a more erect shrub to 2.5 m high with distinctly pungent phyllodes and heads with many more flowers.

Type of accepted name

Near Arthur R. crossing, Narrogin- Katanning road, W.A., 27 Aug. 1975, B.R.Maslin 3761 ; holo: PERTH; iso: CANB, K, MEL, NSW, NY.

Representative collections

W.A.: 22.5 km N of Badgingarra, A.S.George 6728 (PERTH); near Mortlock R., 9 km SW of Goomalling, A.S.George 15742 (PERTH); 4 km NE of Moir Hill, K.Newbey 4233 (BRI, CANB, NY, PERTH).

(BRM)

WATTLE Acacias of Australia CD-ROM graphic

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.

Page last updated: Tuesday 11 September 2018