Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Eucalyptus camaldulensis
Dehnh., Myrtaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results: 

Reject, score: 12 (Go to the risk assessment (U.S.)).
Reject, score: 12 (Go to the risk assessment (U.S. (Florida))).

Other Latin names:  Eucalyptus longirostris F. Muell. ex Miq.; Eucalyptus rostrata Schltdl.

Common name(s): [more details]

Chinese: chi an

English: blue gum, Murray red gum, red gum, red river gum, river gum, river red gum

French: eucalyptus rouge

Spanish: eucalipto negro, eucalipto rojo

Habit:  tree

Description:  "Trees 20 -45 m tall, bark white, gray, brown, or red in patches, smooth throughout.  Adult leaves alternate, blades concolorous, lanceolate to narrowly lanceolate, 8-30 cm long, 0.7-2 cm wide, apex acuminate, petioles 12-15 mm long.  Flowers 7-11 in axillary, simple umbels, peduncles 6-15 mm long, pedicels 5-12 mm long; buds globose-rostrate or ovoid-conical, 6-9 mm long, 3-6 mm wide; operculum hemispherical, rostrate, or conical, apex obtuse.  Fruit hemispherical or ovoid, 5-8 mm long and wide, valves 3-5, exserted"  (Wagner et al., 1999; pp. 951-952).

Habitat/ecology:  In Hawai‘i, "extensively planted...and regenerating from seed at least within or near the plantations" (Wagner et al., 1999; pp. 951-952).

Propagation:  Seed

Native range:  "Native to much of mainland Australia, particularly in drier areas, often near watercourses" (Wagner et al., 1999; pp. 951-952).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
cultivated
Charles Darwin Foundation (2008)
Guam
Guam Island
Guam Island introduced
Raulerson, L. (2006) (p. 51)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 951-952)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 951-952)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 951-952)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 951-952)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 951-952)
Solomon Islands
Solomon Islands
Solomon Islands introduced
cultivated
Hancock, I. R./Henderson, C. P. (1988) (p. 72)
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. (2013)
South Australia, Victoria, Western Australia
Australia
Australia (continental)
New South Wales native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia
Australia (continental)
Northern Territory 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 Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Yunnan, and Zhejiang.
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 162)
Panama
Panama
Panama (Republic of)   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1970) (voucher ID: PTBG 32362)
Taxon name on voucher: Eucalyptus camaldulensis Dehnh.
Singapore
Singapore
Singapore (Republic of) introduced
cultivated
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 40)
Cultivated only
Taiwan
Taiwan Island
Taiwan Island introduced
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Seychelles
Seychelles Islands
Cousin Island introduced
cultivated
Fosberg, F. R. (1983) (p. 30)
Vouchers cited: Fosberg 52137 (US), Fosberg 52150 (US)

Comments:  Reported as possibly an invasive plant in the Galápagos Islands per Charles Darwin Research Station.

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

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

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

Fact sheet from "Common forest trees of Hawaii" about Eucalyptus camaldulensis

Fact sheet from Florabank on Eucalyptus camaldulensis

Information from the USDA Tropical Tree Seed Manual on Eucalyptus camaldulensis

References:

Australian National Botanic Gardens. 2013. Australian plant common name database. Online resource.

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Charles Darwin Research Station. 2005. CDRS Herbarium records.

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.

Fosberg, F. R. 1983. Natural history of Cousin Island. In: Sachet, M. H., D. R. Stoddart, and F. R. Fosberg. Floristics and ecology of Western Indian Ocean islands. Atoll Research Bulletin No. 273. Smithsonian Institution, Washington. 253 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.

National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.). 1970. Voucher specimen #PTBG32362(Thomas B. Croat 10627).

Raulerson, L. 2006. Checklist of Plants of the Mariana Islands. University of Guam Herbarium Contribution 37:1-69. .

U.S. Dept. Agr., Agr. Res. Serv. 2013. 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).

Wu, Te-lin. 2001. Check List of Hong Kong Plants. Hong Kong Herbarium and the South China Institute of Botany. Agriculture, Fisheries and Conservation Department Bulletin 1 (revised). 384 pp.

Zhengyi, Wu/Raven, Peter H./Deyuan, Hong. 2013. Flora of China (online resource).


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 21 OCT 2004 and was last updated on 20 MAR 2012.