Acacia ancistrocarpa, commonly known as Fitzroy wattle or pirrara,[3] sometimes also fish hook wattle, pindan wattle or shiny leaved wattle,[4] is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. The Walmajarri people of the ParukuIPA in the Kimberley call this wattle, kampuka.[5] It is a multi-stemmed, fastigiate shrub, with linear or very narrow elliptic phyllodes, spikes of golden-yellow flowers, and narrowly oblong or cultratepods up to 60–115mm (2.4–4.5in) long.
Acacia ancistrocarpa is a fastigiate, multi-stemmed, glabrous shrub or sometimes a tree, that typically grows to a height of up to 1.5–4m (4ft 11in– 13ft 1in), with dark grey, longitudinally fissured bark on older specimens, the young shoots resinous. The phyllodes are bright olive green, linear to very narrowly elliptic, 60–180mm (2.4–7.1in) long and mostly 3–10mm (0.12–0.39in) wide. The flowers are golden-yellow and arranged in spikes 25–45mm (0.98–1.77in) long on a peduncle5–15mm (0.20–0.59in) long, the flowers not particularly densely arranged along the spike. Flowering depends on rainfall, but often occurs between February and July, and the pods are narrowly oblong or cultrate, tapered at both ends, crust-like or almost woody, 60–115mm (2.4–4.5in) long and resinous. The seeds are broadly oblong to more or less egg-shaped, brownish black and 6–7mm (0.24–0.28in) long.[3][4][6][7][8]
Fitzroy wattle is widespread in the Northern Territory, the Pilbara and Kimberley regions and in far western Queensland.[4] It usually grows in mallee-spinifex communities, stony spinifex grassland, pindan and along watercourses in deep sand on plains. Mostly it will not form dense stands but regenerates readily from seed after ground disturbances or bushfires and then can produce reasonably dense populations.[3][4][6][8]
1 2 3 Tindale, Mary D.; Kodela, Phillip G. "Acacia ancistrocarpa". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 10 August 2024.
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