Pacific Island Ecosystems at Risk (PIER)

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Diplotaxis muralis
(L.) Scop., Brassicaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Sisymbrium murale L.

Common name(s): [more details]

Chinese: er hang jie

English: annual wall rocket, crossweed, nannyweed, sand rocket, stinking wall rocket, stinkweed, Teetulpa-weed, wall mustard, wall rocket

French: diplotaxis des murailles, roquette des murailles, roquette sauvage à fleurs jaunes

Spanish: jaramago armarillo, mostacilla

Habit:  herb

Description:  "Annual or biennial herb usually with several ascending flowering stems up to 40 cm, with a few scattered hairs at base of stem or on petioles.  Leaves mostly confined to a basal rosette, lyrate-pinnatifid, long-petiolate.  Upper leaves, if present, oblong, more or less sessile.  Petals 6-7 x 3.5-4 mm, pale yellow fading brownish, obovate.  Fruiting pedicels 6-13 mm, erect-spreading.  Fruit 24-45 x 1.5-2 mm, including a beak 1.5-3 mm, torulose; stigma same width as or a little broader than beak."  (Davis, 1965)

Habitat/ecology:  "Fields and waste places near sea level" (Davis, 1965; pp. 268-269). In New Caledonia, "mauvaise herbe peu récoltée" (MacKee, 1994; p. 44).

Propagation:  Seed

Native range:  "Central and southern Europe, Crimea, northwest Africa" (Davis, 1965; pp. 268-269).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 44)
Voucher cited: MacKee 39517
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) introduced
invasive
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Chile (continental)
Chile
Chile (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Coastal weedy areas. Liaoning.
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Azuay, Tungurahua
Naturalized
Mexico
Mexico
Mexico (United Mexican States) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Coahuila, Nuevo Leon
Naturalized
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 421)
"Waste land, gardens, railway ballast, roadsides, sand dunes".
Perú
Perú
Perú (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Junin
Naturalized
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)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
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 26 SEP 2002 and was last updated on 16 OCT 2006.