Pacific Island Ecosystems at Risk (PIER)

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Chenopodium carinatum
R.Br., Chenopodiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 9 (Go to the risk assessment)

Other Latin names:  Dysphania carinata (R. Br.) Mosyakin & Clemants

Common name(s): [more details]

English: green crumbweed, keeled goosefoot, Tasmanian goosefoot

Habit:  herb

Description:  "Prostrate or ascending (elsewhere also ± erect) annual herb, 15-35 (elsewhere up to 100) cm long, much branched; stem and branches with short hairs, at least some tipped with yellow glands.  Leaves ± distinctly petioled, elliptic-ovate, 0.5-1.5 x 0.3-0.5 (elsewhere up to 7.5 x 5) cm, with obtuse to acute apex and ± decurrent base, dentate or ± deeply lobed hairy like branches especially on petiole and nerves.  Inflorescence of clusters of many flowers, not combining into distinct thyrses or panicles.  Tepals 5, narrowly oblanceolate, about 1.2 mm long, joined in lower half, concave and conspicuously keeled in upper half with truncately triangular crest, hairy, green, ovary with short style and 2 filamentous stigmas.  Fruit enveloped in tepals but not concealed at maturity, whitish, glandless; seed compressed globose and distinctly keeled along most of circumference, vertical or diagonal, about 0.6 mm in diameter, shiny dark brown"  (Henty, 1981; p. 21).

Habitat/ecology:  In Hawai‘i, "naturalized in relatively dry, disturbed sites, 0-1,200 m" (Wagner et al., 1999; p. 537).  In Papua New Guinea, "reported as a weed from an open village space at 500 m altitude and from tobacco cultivation in the Markham Valley"  (Henty, 1981; p. 23).

Propagation:  Seed

Native range:  Australia (Henty, 1981; p. 23).

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
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Lorence, David H./Flynn, Tim (1997) (p. 10)
Voucher cited: Carroll 2 (PTBG)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
Voucher cited: Munro 704 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
State of Hawaii
Hawaiian Islands
Ni‘ihau Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 537)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2003) (p. 10)
Voucher cited: M. C. Neal & C. Hartt s.n. (BISH 618401)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) introduced
invasive
Henty, E. E., ed. (1981) (pp. 21-22)
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)
Victoria
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)
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


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

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This page was created on 18 FEB 2007 and was last updated on 8 DEC 2009.