L., Brassicaceae |
|
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Common name(s): [more details]
Chinese: shui suan jie |
English: London rocket, rocket mustard |
French: sisymbre irio, vélaret |
Spanish: eskorbut-bedarra, jaramago, matacandil, mostacilla, nabillo, rabanillo |
Habit: herb
Description: "Erect annual herbs 2-10 dm tall, unbranched or branched above base, usually glabrous throughout, sometimes very sparsely hirsute above. Leaves ovate to lanceolate in outline, pinnately lobed, with an ovate or triangular terminal segment, lateral lobes lanceolate to oblong, usually 6-20 cm long. Pedicels slender, spreading, 0.5-2 cm long in fruit; sepals elliptic-lanceolate, 2-2.5 mm long; petals pale yellow, fading to almost white before falling, 3-4 mm long. Siliques linear, terete, 3-5 cm long, greater in diameter than the pedicels. Seeds oblong, ca. 0.8 mm long, wingless" (Wagner et al., 1999; p. 413).
Habitat/ecology: "In Hawaii, "naturalized in relatively dry, disturbed areas in the saddle area between Mauna Kea and Mauna Loa, Hawaii [Island]" (Wagner et al., 1999; p. 413).
Propagation: Seed
Native range: "Europe, now widely naturalized" (Wagner et al., 1999; p. 413).
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 |
Hawaii (Big) Island |
introduced
invasive |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 413)
Voucher cited: Kawasaki 1 (BISH) |
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) | Hafliger, Toni J./Wolf, Matthias (1988) (p. 202) | |
China
China |
China (People's Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Xinjiang |
Japan
Japan |
Japan |
introduced
|
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 183) |
Mexico
Mexico |
Mexico (United Mexican States) | Hafliger, Toni J./Wolf, Matthias (1988) (p. 202) |
Control: If you know of control methods for Sisymbrium irio, please let us know.