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Acacia ancistrocarpa

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Fitzroy wattle
Acacia ancistrocarpa habit
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. ancistrocarpa
Binomial name
Acacia ancistrocarpa
Occurrence data from AVH
Synonyms[1]
Foliage
Flowers

Acacia ancistrocarpa, commonly known as Fitzroy wattle or pirrara,[2] sometimes also fish hook wattle, pindan wattle or shiny leaved wattle,[3] is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. The Walmajarri people of the Paruku IPA in the Kimberley call this wattle, kampuka.[4] It is a multi-stemmed, fastigiate shrub, with linear or very narrow elliptic phyllodes, spikes of golden-yellow flowers, and narrowly oblong or cultrate pods up to 60–115 mm (2.4–4.5 in) long.

Description

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Acacia ancistrocarpa is a fastigiate, multi-stemmed, glabrous shrub or sometimes a tree, that typically grows to a height of up to 1.5–4 m (4 ft 11 in – 13 ft 1 in), with dark grey, longitudinally fissured bark on older specimens, the young shoots resinous. The phyllodes are bright olive green, linear to very narrowly elliptic, 60–180 mm (2.4–7.1 in) long and mostly 3–10 mm (0.12–0.39 in) wide. The flowers are golden-yellow and arranged in spikes 25–45 mm (0.98–1.77 in) long on a peduncle 5–15 mm (0.20–0.59 in) 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, 60–115 mm (2.4–4.5 in) long and resinous. The seeds are broadly oblong to more or less egg-shaped, brownish black and 6–7 mm (0.24–0.28 in) long.[2][3][5][6][7]

Taxonomy

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Acacia ancistrocarpa was first formally described in 1928 by the botanists Joseph Maiden and William Blakely in the Journal of the Royal Society of Western Australia.[8][9] The specific epithet (ancistrocarpa) is taken from the Greek word ankistron meaning fish-hook and karpos meaning fruit referring to the hooked tip of the pod.[3]

Acacia ancistrocarpa is known to form hybrids with Acacia trachycarpa.[6]

Distribution and habitat

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Fitzroy wattle is widespread in the Northern Territory, the Pilbara and Kimberley regions and in far western Queensland.[3] 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.[2][3][5][7]

See also

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References

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  1. ^ a b "Acacia ancistrocarpa". Australian Plant Census. Retrieved 10 August 2024.
  2. ^ a b c 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.
  3. ^ a b c d e "Acacia ancistrocarpa". Wattles of the Pilbara. Government of Western Australia. Retrieved 18 August 2018.
  4. ^ Bessie Doonday; Charmia Samuels; Evelyn (Martha) Clancy; et al. (2013). "Walmajarri plants and animals". Northern Territory Botanical Bulletin. 42: 1–242. Wikidata Q106088428.
  5. ^ a b "Acacia ancistrocarpa". Northern Territory Government. Retrieved 10 August 2024.
  6. ^ a b "Acacia ancistrocarpa". World Wide Wattle. Department of Parks and Wildlife. Retrieved 18 August 2018.
  7. ^ a b "Acacia ancistrocarpa". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  8. ^ "Acacia ancistrocarpa". Australian Plant Name Index. Retrieved 10 August 2024.
  9. ^ Maiden, Joseph H.; Blakely, William F. (1928). "Descriptions of fifty new species and six varieties of western and northern Australian Acacias, and notes on four other species". Journal of the Royal Society of Western Australia. 13: 31. Retrieved 10 August 2024.