Pacific Island Ecosystems at Risk (PIER)

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Eucalyptus gunnii
Hook. f., Myrtaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 2 (Go to the risk assessment)

Common name(s): [more details]

English: cider gum

Habit:  tree

Description:  "Tree to c. 10 m high; bark rough and sometimes persistent at base, otherwise trunk smooth and grey. Juvenile leaves opposite for many pairs, sessile, very glaucous, suborbicular to broad-ovate; base cordate; apex obtuse or acute. Adult leaves with petioles 1-2.5 cm long; lamina 4-10 x 1-2.5 cm, oblong-lanceolate or oblong-elliptic, subcoriaceous, green or ± glaucous, concolorous; lateral veins diverging at c. 45 to midrib; base symmetric; apex usually acute or mucronate. Flowers axillary, in clusters of 3; peduncles 5-10 mm long, flattened; pedicels short. Buds 7-8 mm long, ± clavate, glaucous; operculum hemispheric, much < hypanthium. Stamens white; anthers oblong. Fruit shortly pedicellate, 5-9 x c. 6 mm, cylindric-urceolate, with truncate apex, glaucous; valves 4, deeply sunken; disc narrow, descending"  (Webb et al., 1988; 858).

Habitat/ecology:  In New Zealand, "around gardens and farm shelter belts. A notably cold-hardy species which has been widely planted in cooler parts of N. Z., particularly in eastern and southern parts of the South Island where it thrives to about 700 m. It is mainly grown for farm shelter and as an ornamental"  (Webb et al., 1988; 858).

Propagation:  Seed

Native range:  Tasmania, Australia; also cultivated (GRIN).


Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Australia (continental)
Australia (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
New Zealand
New Zealand
New Zealand (country) introduced
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 858)

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

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This page was created on 3 SEP 2012 and was last updated on 28 APR 2013.