3061

11: Auxiliary plants

Acacia pruinosa A. Cunn. ex Benth.

LEGUMINOSAE - MIMOSOIDEAE

Racosperma pruinosum (A. Cunn. ex Benth.) Pedley.

Frosty wattle (En).

Australia (New South Wales, Queensland). Occasionally cultivated elsewhere, e.g. in West Java.

Occasionally grown for firewood in the mountains of West Java. No significance as fodder.

Unarmed shrub up to 2 m tall. Branchlets terete, glabrous. Leaves bipinnate; petiole 3—5(—7) cm long with a gland in the distal half; rachis 2—7 cm long, reddish, glabrous, with glands at the junction of all or only the proximal pair of pinnae; pinnae 2—3(—4) pairs, 4—8 cm long; leaflets opposite, sessile, 8—13 pairs, oblong, 9—17 mm x 2—4 mm, obtuse, glabrous. Inflorescence a pale yellow head with 20—30 flowers, aggregated in terminal panicles or arising from the upper leaf axils. Pod strap-shaped, short-stalked, 5—8 cm x 0.8 cm, slightly constricted between the seeds, glaucous. Seed 5 mm x 3 mm, funicle expanded into a cupular aril. In Australia Acacia pruinosa grows on sandy soils derived from granite.

[8]Backer, C.A. & Bakhuizen van den Brink Jr., R.C., 1963–1968. Flora of Java. 3 volumes. Wolters-Noordhoff, Groningen, the Netherlands. 647, 641, 761 pp.
[10]Bailey, L.H. & Bailey, E.Z., 1976. Hortus third: a concise dictionary of plants cultivated in the United States and Canada. MacMillan, New York, United States. 1290 pp.
[51]Flora Malesiana (various editors), 1950–. Series 1. Volume 1, 4–. Kluwer, Dordrecht & Flora Malesiana Foundation, Leiden, the Netherlands.
[62]Hacker, J.B., 1990. A guide to herbaceous and shrub legumes of Queensland. University of Queensland Press, St. Lucia, Australia. 351 pp.

M.S.M. Sosef & L.J.G. van der Maesen

Sosef, M.S.M. & van der Maesen, L.J.G., 1997. Acacia pruinosa A. Cunn. ex Benth.. In: Faridah Hanum, I & van der Maesen, L.J.G. (Editors): Plant Resources of South-East Asia No 11: Auxiliary plants. PROSEA Foundation, Bogor, Indonesia. Database record: prota4u.org/prosea