Brachychiton populneus (Schott & Endl.) R.Br., Sterculiaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 6 (Go to the risk assessment).

Common name(s): [more details]

English: bottletree, kurrajong

Habit:  tree

Description:  "Evergreen tree to 20 m high. Leaves ovate to lanceolate, lamina usually 5-10 cm long, glabrous, entire or 3-5-lobed, lobes very narrow, especially on saplings; petiole usually 5-10 cm long. Flowers 10-20 mm long, creamy-white and speckled dark red in throat. Carpels pubescent. Follicles glabrous, 2-7 cm long on stalks 2-5 cm long; outer layer of seed hirsute with irritant hairs below, glabrous above"  (New South Wales Flora Online).

Habitat/ecology:  In New South Wales, Australia, "widespread in forest and woodland, especially on the Western Slopes. Often grown for shade and fodder"  (New South Wales Flora Online).

Propagation:  Seed

Native range:  Australia (New South Wales, eastern Queensland, Victoria) (GRIN).

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	Maui Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1999) (voucher ID: BISH 660361) Taxon name on voucher: Brachychiton populneus (Schott & Endl.) R.Br.

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)	Australia (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011) Victoria
Australia Australia (continental)	New South Wales	native	National Herbarium of New South Wales (2011)
Australia Australia (continental)	Queensland	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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

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

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

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1999. Voucher specimen #BISH660361(Annable, C.R. 3872).

Imada, Clyde T./Staples, George W./Herbst, Derral R. 2011. Annotated Checklist of Cultivated Plants of Hawai‘i (online searchable database).

National Herbarium of New South Wales. 2011. PlantNet: New South Wales Flora online. The Plant Information Network System of the Botanic Gardens Trust Version 2.0. Online resource.

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