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: Teetulpa-weed, annual wall rocket, crossweed, nannyweed, sand rocket, stinking wall rocket, stinkweed, 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)	New South Wales	introduced invasive	National Herbarium of New South Wales (2013) Naturalised
Australia Australia (continental)	Australia (continental)	introduced invasive	National Herbarium of New South Wales (2013) South Australia, Tasmania, Victoria, Western Australia Naturalised
China China	China (People's Republic of)	introduced invasive	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Coastal weedy areas. Liaoning.
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".
South America (Pacific rim) South America (Pacific rim)	Chile (Republic of)	introduced invasive	U.S. Dept. Agr., Agr. Res. Serv. (2013) Naturalized
South America (Pacific rim) South America (Pacific rim)	Ecuador (Republic of) (continental)	introduced invasive	U.S. Dept. Agr., Agr. Res. Serv. (2013) Azuay, Tungurahua Naturalized
South America (Pacific rim) South America (Pacific rim)	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 Canada	Canada	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)

Control:  If you know of control methods for Diplotaxis muralis, please let us know.