Acacia glauca (L.) Moench, Fabaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Acacia curassavica Britton & Killip) Stehlé; Leucaena glauca (L.) Benth.

Common name(s): [more details]

English: redwood, wild dividivi

French: amourette

Habit:  tree

Description:  "Shrub to 2 m tall, unarmed, branches sparsely pubescent to glabrate. Stipules linear-lanceolate 2-3 mm long, petioles 2 cm long, normally eglandular; pinnae 5-6 pairs, 3-6 cm long, leaflets 10-30 pairs, broadly oblong or oblong-ovate, 4-8 mm long, 2 mm wide, obtuse at apex, obtusely asymmetrical at base, subglabrous or lightly pubescent. Peduncles axillary, 2 cm long, heads short-racemose to subglobose, pedicels to 1 mm long. Legume oblong 5-6 cm long, 1 cm wide, flat, thin, tapered to a stipitate base, obtuse and apiculate at apex; seeds transverse, oval, 3-5 mm long, 3 mm wide, turgid, brown." (Howard, 1988; p. 339)

"...an unarmed shrub or small tree 1.5-6 m high... The corolla and filaments are white, and the fruits are brown, with 5-8 seeds 3-5 x 3 mm" (Smith, 1985; pp. 70-71).

Habitat/ecology:  In Fiji, cultivated near sea level (Smith, 1985; pp. 70-71).

Propagation:  Seed

Native range:  Curacao, Bonaire, and some of the Lesser Antilles as far north as Guadeloupe (Smith, 1985; pp. 70-71)

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Cook Islands Southern Cook Islands	Ma‘uke Island	introduced invasive cultivated	Space, James C./Flynn, Tim (2002) (p. 6) Voucher: Flynn 7068 (PTBG, AD, NY, US)
Cook Islands Southern Cook Islands	Ma‘uke Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2002) (voucher ID: PTBG 377) Taxon name on voucher: Acacia curassavica
Fiji Fiji Islands	Viti Levu Island	introduced cultivated	Smith, Albert C. (1985) (pp. 70-71) Vouchers cited: DA 8486, DA 10795, DA 11051, DA 12134
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1957) (voucher ID: BISH 34249) Taxon name on voucher: Acacia curassavica (Britton & Killip) Stehlé
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1957) (voucher ID: BISH 34250) Taxon name on voucher: Acacia curassavica (Britton & Killip) Stehlé
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1954) (voucher ID: BISH 34251) Taxon name on voucher: Acacia curassavica (Britton & Killip) Stehlé

Comments:  Invasive on Ma‘uke, Cook Islands (Space & Flynn, 2002).

Additional information:
Additional online information about Acacia glauca is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Acacia glauca as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Acacia glauca may be available from the Germplasm Resources Information Network (GRIN).

References:

Bishop Museum (Honolulu). 1954. Voucher specimen #BISH 34251 (Nand, S. 8486).

Bishop Museum (Honolulu). 1957. Voucher specimen #BISH 34249 (Parham, J.W. 10795).

Bishop Museum (Honolulu). 1957. Voucher specimen #BISH 34250 (Koroiveibau, D. 11051).

Howard, Richard A. 1988. Flora of the Lesser Antilles: Leeward and Windward Islands. Vol. 4, Dicotyledoneae-Part 1. Arnold Arboretum, Harvard University. 673 pp.

National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.). 2002. Voucher specimen #PTBG377(Tim Flynn 7068).

Smith, Albert C. 1985. Flora Vitiensis nova: a new flora of Fiji. National Tropical Botanical Garden, Lawai, Kauai, Hawaii. Volume 3. 758 pp.

Space, James C./Flynn, Tim. 2002. Report to the Government of the Cook Islands on invasive plant species of environmental concern. USDA Forest Service, Honolulu. 146 pp.

U.S. Dept. Agr., Agr. Res. Serv. 2009. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.