Eucalyptus grandis Hill ex Maiden, Myrtaceae

Click on an image for links to BIGGER PICTURES

Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Risk assessment results: 

High risk, score: 11 (Go to the risk assessment (Pacific)).
Reject, score: 8 (Go to the risk assessment (U.S.)).
Reject, score: 7 (Go to the risk assessment (U.S. (Florida))).

Common name(s): [more details]

Chinese: da an

English: flooded gum, grand eucalyptus, rose gum, saligna gum, scrub gum

Habit:  tree

Description:  "Tree to 55 m.  Bark smooth, white, grey-white or blue-grey, with some rough flaky bark at base up to 4 m.  Juvenile leaves ovate.  Adult leaves lanceolate; lamina 10-16 cm long, 2-3 cm wide; lateral veins conspicuous, at 40§-55§; intramarginal vein up to 1 mm from margin; petiole 15-20 mm long.  Umbels 7-11-flowered; peduncle flattened, 8-18 mm long; pedicels angular, absent or to 3 mm long. Buds ovoid or broadly fusiform; operculum conical or slightly rostrate, 3-4 mm long, 4-5 mm wide; hypanthium obconical or campanulate, 3-4 mm long, 4-5 mm wide.  Fruits subpyriform, 5-8 mm long, 4-7 mm wide; disc narrow, level or descending; valves 4 or 5, exserted, incurved"  (George, 1980; pp. 198-199).

Habitat/ecology:  In Australia, "grows usually on lower slopes and flats of valleys, in tall open forest, often on the fringes of or in rainforest" (George, 1980; pp. 198-199).

Propagation:  Seed

Native range:  New South Wales and Queensland, Australia (George, 1980; pp. 198-199).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Guam Guam Island	Guam Island	introduced	Raulerson, L. (2006) (p. 51)

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)	New South Wales	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia Australia (continental)	Queensland	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
China China	China (People's Republic of)	introduced cultivated	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Cultivated in Guangdong and Guangxi.
Taiwan Taiwan Island	Taiwan Island	introduced cultivated	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)

Control:  If you know of control methods for Eucalyptus grandis, please let us know.