Flindersia brayleyana F.Muell., Rutaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Low risk, score: -3 (Go to the risk assessment)

Common name(s): [more details]

English: Queensland maple, silkwood

Habit:  tree

Description:  "Trees up to 35 m tall. Leaves pinnately compound, usually opposite, leaflets 6-12 pairs, ovate-elliptic, asymmetrical, 13-20 cm long, 5-7.5 cm wide, glabrous, glandular punctate, margins weakly revolute, apex attenuate, base cuneate to rounded. Flowers perfect, 3-4 mm long; petals white; staminal filaments pubescent at apex. Capsules dark brown, cylindrical, slightly 5-angled, 6-10 cm long, ca. 2.5 cm in diameter. Seeds 4.5-6 cm long (including membranous wings)" (Wagner et al., 1999; p. 1175).

Habitat/ecology:  Commonly introduced to Hawai‘i as a forestry tree and now naturalized (Wagner et al., 1999; p. 1175).

Propagation:  Wind-dispersed seeds.

Native range:  Queensland, Australia.

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175) All of the main islands but most extensively planted on Hawai'i.
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	Maui Island	introduced cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive cultivated	Oppenheimer, Hank L. (2003) (p. 24) West Maui. Voucher cited: Oppenheimer H120008 (BISH, PTBG)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive cultivated	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 27) East Maui. Voucher cited: Starr & Starr 020913-5 (BISH) Escaping from forestry plantings into adjacent open wet forest.
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	Ni‘ihau Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1175)
Solomon Islands Solomon Islands	Solomon Islands	introduced cultivated	Hancock, I. R./Henderson, C. P. (1988) (p. 76)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	Queensland	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Singapore Singapore	Singapore (Republic of)	introduced cultivated	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 43) Cultivated only

Additional information:
Fact sheet from "Common forest trees of Hawaii" (PDF format).

Additional online information about Flindersia brayleyana is available from the Hawaiian Ecosystems at Risk project (HEAR).

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

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

References:

Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. 2009. A checklist of the total vascular plant flora of Singapore: native, naturalised and cultivated species. Raffles Museum of Biodiversity Research, National University of Singapore. 273 pp.

Hancock, I. R./Henderson, C. P. 1988. Flora of the Solomon Islands. Research Bulletin No. 7. Ministry of Agriculture and Lands, Honiara. 203 pp.

Little, Elbert L./Skolmen, Roger G. 1989. Common forest trees of Hawaii (native and introduced). USDA Agriculture Handbook 679. Washington, D.C. 377 pp. + plates.

Neal, Marie C. 1965. In Gardens of Hawaii. Bernice P. Bishop Museum Special Publication 50, Bishop Museum Press. 924 pp.

Oppenheimer, Hank L. 2003. New plant records from Maui and Hawai‘i Counties. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2001-2002. Part 1: Articles. Bishop Museum Occasional Papers. 73:3-30.

Starr, Forest/Starr, Kim/Loope, Lloyd L. 2004. New plant records from the Hawaiian Archipelago. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2003. Part 2: Notes. Bishop Museum Occasional Papers. 79:20-30.

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. 1999. Manual of the flowering plants of Hawaii. Revised edition. Bernice P. Bishop Museum special publication. University of Hawai‘i Press/Bishop Museum Press, Honolulu. 1919 pp. (two volumes).