Plants of South Eastern New South Wales

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Acacia baileyana

Common name

Cootamundra wattle, Golden mimosa

Family

Fabaceae

Where found

Dry forest, woodland, heath, grassy areas, and roadsides. Often on rocky sites and near streams. Native to the Temora–Cootamundra–Stockinbingal district.

Garden escape in most parts of the area covered by this key. Roadsides and invasive in woodland and grassland. Widespread.

Notes

Introduced (to most parts of the area covered by this key) tree or shrub to 10 m tall. Fleshy seed stalks/arils. Bark smooth. Branchlets cylindrical and ridged, angled towards the tips, more or less glaucous, hairy to hairless. Leaves alternating up the stems, 3-6.5 cm long, compound, rachis 0.3-4 cm long, hairy to hairless, prominent jugary glands present except between the lowermost 1 or 2 pairs of pinnae, interjugary glands absent. 2-12 pinnae, pinnae 1-3.5 cm long, each with 8-48 leaflets each 0.3-0.9 cm long, 0.7-1.6 mm wide, surfaces grey-green or bluish, hairy to hairless. Flower heads globular, yellow, 11-25 flowered (easiest seen in late buds), 3.5-8 mm in diameter, in elongated clusters of 8-36 flower heads. Flowers Winter to Summer. 

Family was Mimosaceae.

Pest plant ACT.

Hybridises with Acacia dealbata (both subspecies) Acacia decurrens, Acacia oshanesii, and Acacia pubescens.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Acacia~baileyana (accessed 3 April, 2021)

World Wide Wattle line drawings, photos, and description: http://www.worldwidewattle.com/imagegallery/image.php?p=0&l=b&id=18285&o=1