Acacia confusa (PROSEA)

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Plant Resources of South-East Asia
List of species

Acacia confusa Merrill

Family: Leguminosae - Mimosoideae


  • Acacia richii auct., non A. Gray,
  • Racosperma confusum (Merrill) Pedley.

Vernacular names

  • Philippines: ayangili, ualisen (Sambali)
  • Vietnam: cây dài loan tương tư.


Native to Taiwan and northern Philippines (Luzon, not clear whether indigenous, cultivated or naturalized); also cultivated in Thailand, Indo-China, Malaysia, Java, Sumatra and occasionally elsewhere.


Grown as a green manure, shade tree and fodder crop.


  • Tree, up to 10 m tall, trunk up to 1 m in diameter.
  • Phyllodes alternate, linear-lanceolate, 6.5-10 cm × 5-9 mm, straight to slightly curved, usually with a hooked apex, leathery, glabrous, with 5 or more prominent, parallel veins.
  • Inflorescence a globose head, 6-9 mm in diameter, single or paired in leaf axil.
  • Flowers numerous, pentamerous, yellow.
  • Pod flat, linear, 4-10 cm × 7-10 mm, with 7-8 seeds.

A. confusa is found on slopes and in dry forest at low altitudes. In Malaysia it is cultivated at 1000-1200 m altitude.

Selected sources

16, 48, 51, 84, 151.


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