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Small Philippine Acacia

Acacia confusa Merr.

Physical Description

provided by USDA PLANTS text
Perennial, Trees, Woody throughout, Nodules present, Stems erect or ascending, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Extrafloral nectary glands on petiole, Stipules inconspicuous, absent, or caducous, Leaves simple, or appearing so, Leaf or leaflet margins entire, Leaflets 1, Leaves glabrous or nearly so, Leaves reduced to phyllodia, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Bracts very small, absent or caducous, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals orange or yellow, Stamens numerous, more than 10, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit freel y dehiscent, Fruit oblong or ellipsoidal, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit compressed between seeds, Fruit torulose or moniliform, strongly constricted between seeds, Fruit glabrous or glabrate, Fruit 3-10 seeded, Seed with elliptical line or depression, pleurogram, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.
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Acacia confusa

provided by wikipedia EN

Acacia confusa is a perennial tree native to South-East Asia. Some common names for it are acacia petit feuille, Ayangile, small Philippine acacia, Formosa acacia (Taiwan acacia), Philippine Wattle, and Formosan koa. It grows to a height of 15 m. The tree has become very common in many tropical Pacific areas, including Hawaii, where the species is considered invasive.[3]

Uses

The wood has a density of about 0.75 g/cm3.[4] In Taiwan, its wood was used to make support beams for underground mines. Acacia confusa is challenging to work and for this reason was traditionally burned as firewood or turned into charcoal in Taiwan. In later years it was exported to China to be made into wood flooring for the American market. At its height Taiwan exported more than 1,000 containers of Taiwan acacia to China. More recently it has been used domestically to produce high value wood products like musical instruments, furniture, and bathtubs.[5]

The wood is also converted to charcoal for family use. The plant is used in traditional medicine[6] and is available from herbal medicine shops (草藥店) in Taiwan, but there has been no clinical study to support its effectiveness.

Acacia confusa habitat
Acacia confusa leaves and pods
Acacia confusa seeds

Phytochemicals

Phytochemicals found in Acacia confusa:

Root bark

Seeds

Stems

  • N-Methyltryptamine, 0.04%[7]

Varieties

See also

References

  1. ^ Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group (2019). "Acacia confusa". IUCN Red List of Threatened Species. 2019: e.T18435782A145823048. doi:10.2305/IUCN.UK.2019-2.RLTS.T18435782A145823048.en. Retrieved 7 September 2021.
  2. ^ "ILDIS LegumeWeb (version 10)". www.ildis.org. Retrieved May 21, 2020.
  3. ^ "Acacia confusa risk assessment". www.hear.org. Retrieved May 21, 2020.
  4. ^ "Appendix 1 - List of wood densities for tree species from tropical America, Africa, and Asia". www.fao.org. Retrieved May 21, 2020.
  5. ^ "Taiwan Acacia's Commercial Evolution". topics.amcham.com.tw. Taiwan Topics. 19 May 2021. Retrieved 21 May 2021.
  6. ^ Li, Thomas S. C. Taiwanese Native Medicinal Plants: Phytopharmacology and Therapeutic Values, CRC Press (2006), ISBN 0-8493-9249-7, p.2. online GoogleBooks preview
  7. ^ a b c Arthur, HR; Loo, SN; Lamberton, JA (1967). "Nb-Methylated tryptamines and other constituents of Acacia confusa Merr. Of Hong Kong". Australian Journal of Chemistry. 20 (4): 811. doi:10.1071/CH9670811.
  8. ^ Quereshi, M.Yasin; Pilbeam, David J.; Evans, Christine S.; Bell, E.Arthur (1977). "The neurolathyrogen, α-amino-β-oxalylaminopropionic acid in legume seeds". Phytochemistry. 16 (4): 477. doi:10.1016/S0031-9422(00)94332-2.

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Acacia confusa: Brief Summary

provided by wikipedia EN

Acacia confusa is a perennial tree native to South-East Asia. Some common names for it are acacia petit feuille, Ayangile, small Philippine acacia, Formosa acacia (Taiwan acacia), Philippine Wattle, and Formosan koa. It grows to a height of 15 m. The tree has become very common in many tropical Pacific areas, including Hawaii, where the species is considered invasive.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN