Eucalyptus paniculata Sm., Myrtaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 11 (Go to the risk assessment)

Common name(s): [more details]

Chinese: yuan zhui hua an

English: black ironbark, gray ironbark, white ironbark

Habit:  tree

Description:  "Trees 30-50 m tall, bark pale gray, rough, hard, furrowed throughout.  Adult leaves alternate, blades discolorous, lanceolate, 9.5-15 cm long, 1.2-2.4 cm wide, apex acuminate, petioles 13-22 mm long.  Flowers 7 in umbels arranged in terminal, paniculate inflorescences, sometimes axillary and simple, peduncles 6-16 mm long, pedicels quadrangular, 2-10 mm long; buds obovoid to fusiform, 7-9 mm long, 3-5 mm wide; operculum conical, narrower than hypanthium.   Fruit hemispherical, obconical, obovoid, or subpyriform, 6-8 mm long, 5-8 mm wide, valves 4-5, level or included" (Wagner et al., 1999; pp. 956-957).

Habitat/ecology:  In Hawai‘i, "planted, often in windbreaks" (Wagner et al., 1999; pp. 956-957).

Propagation:  Seed

Native range:  Eastern New South Wales, Australia (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Fiji Fiji Islands	Viti Levu Island	introduced cultivated	Smith, Albert C. (1985) (p. 300)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 956-957) Reproducing from planted trees.
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 956-957) Reproducing from planted trees.
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 956-957) Reproducing from planted trees.
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 956-957) Reproducing from planted trees.
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 956-957) Voucher cited: Rock 6048 (BISH) Reproducing from planted trees.
Niue Niue	Niue Island	introduced cultivated	Sykes, W. R. (1970) (pp. 128-129) Voucher cited: CHR 170466

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	National Herbarium of New South Wales (2013)
China China	China (People's Republic of)	introduced cultivated	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Cultivated in Guangdong, Guangxi, and Jiangxi.

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