Record display

Record Number


PROSEA Handbook Number

11: Auxiliary plants


Acacia confusa Merrill




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

Vernacular Names

Philippines:ayangili, ualisen (Sambali). Vietnam: c[aa]y d[af]i loan t[uw][ow]ng t[uw].


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 x 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 x 7—10 mm, with 7—8 seeds. Acacia 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]Bisby, F., Polhill, R.M. & Zarucchi, J. (Database managers), 1994. International Legume Database Information Service 1994. ILDIS Coordination Centre, Biology Department, University of Southampton, Southampton, United Kingdom.
[48]Editorial Committee of the Flora of Taiwan (Editor), 1993–1994. Flora of Taiwan. 2nd Edition. Volumes 1 and 3. Epoch Publishing Company, Taipei, Taiwan. 648, 1084 pp.
[51]Flora Malesiana (various editors), 1950–. Series 1. Volume 1, 4–. Kluwer, Dordrecht & Flora Malesiana Foundation, Leiden, the Netherlands.
[84]Kamis Awang & Taylor, D.A. (Editors), 1993. Acacias for rural, industrial, and environmental development. Proceedings of the second meeting of the Consultative Group for Research and Development of Acacias (COGREDA) held in Udorn Thani, Thailand, February 15–18, 1993. Winrock International Institute for Agricultural Research & Food and Agriculture Organization of the United Nations, Bangkok, Thailand. 258 pp.
[151]Southon, I.W., Bisby, F.A., Buckingham, J. & Harborne, J.B., 1994. Phytochemical dictionary of the Leguminosae. 2 volumes. Chapman & Hall, London, United Kingdom. 1051, 573 pp.


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

Correct Citation of this Article

Sosef, M.S.M. & van der Maesen, L.J.G., 1997. Acacia confusa Merrill. In: Faridah Hanum, I & van der Maesen, L.J.G. (Editors): Plant Resources of South-East Asia No 11: Auxiliary plants. PROSEA Foundation, Bogor, Indonesia. Database record:

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