Acacia consanguinea R.S.Cowan & Maslin, Nuytsia 10: 243 (1995)
Shrub 0.4-1.5 m high. Branchlets terete, nerveless, ash grey, (often sparsely) appressed-puberulous, glabrescent. Phyllodes ascending to erect, straight to shallowly incurved, terete, 2–4.5 (- 7) cm long, 1–1.5 mm diam., gradually narrowed to an acute, curved to uncinate tip, 8-nerved, the nerves often plane, very obscure and irregularly, shallowly, longitudinally furrowed inbetween, sometimes deeply furrowed as in A. subflexuosa ; gland obscure, 5–15 mm above pulvinus; pulvinus smooth, appressed-puberulous adaxially and flared slightly at base. Inflorescences simple, 2 per axil; peduncles 2–5 mm long, glabrous or appressed-puberulous; heads globular, 4–5 mm diam., 14–29-flowered, golden; bracteoles exserted, oblanceolate-spathulate. Flowers 5-merous; sepals and petals free. Pods linear, strongly raised on alternating sides over and constricted between seeds, slightly curved and undulate, 3–6 cm long, 2.5–3 mm wide, thin-chartaceous, glabrous. Seeds longitudinal, broadly elliptic, crested around periphery, 2 mm long, glossy, mottled, arillate.
Locally common from Muntadgin (c. 40 km due SE of Merredin) E to near Coolgardie, W.A.; outlying populations occur near Wialki, c. 150 km due NNW of Muntadgin (e.g. G.M.Storr , PERTH00750158). The outlying population from S of Coolgardie referred to in the protologue (based on R.Cumming 2556 ) is not this species. Grows in sand, sandy loam or sandy clay, in heath or scrub.
A member of the ‘ A. fragilis group’ related to A. fragilis and A. uncinella but differing from both by its pulvinus which flares basally and is appressed-puberulous on the adaxial surface, minute gland, acute bracteoles exserted in bud, and much smaller, nearly rotund seeds. Also closely related to A. subflexuosa but distinguished by its more obscure gland further removed from the pulvinus and by its phyllodes which are generally straighter and more erect, and which commonly have obscure nerves that are shallowly and irregularly furrowed between them.
Type of accepted name
10 km NW of Bullabulling towards Caenyie Rock, W.A., 8 Aug. 1971, B.R.Maslin 1890 ; holo: PERTH; iso: CANB, G, K, NSW, NY.
Representative collections
W.A.: Carrabin, W.E.Blackall 4024 (B, K, PERTH); 12.8 km S of Bonnie Rock, J.Goodwin 87 (PERTH); 25 km W of Bullabulling on Great Eastern Hwy, B.R.Maslin 2413 (AD, CANB, K, MEL, NSW, NY, PERTH); Ghooli, 15 km E of Southern Cross along Great Eastern Hwy, A.Strid 20035 (AD, BRI, CANB, G, MEL, MO, NSW, 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.
