Pacific Island Ecosystems at Risk (PIER)

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Sinapis arvensis
L., Brassicaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: charlock, charlock mustard, corn mustard, field kale, field mustard, kedlock, wild mustard

French: jotte, moutarde des champs, sénevé

Spanish: florecilla, jaramago, lentejilla, mostaza de los campos, mostaza silvestre

Habit:  herb

Description:  "Annual taprooted herb. Stems erect, branching, bearing stiff reflexed hairs especially near base or sometimes glabrous, 50-70 cm tall. Leaves glabrous or with sparse coarse hairs, toothed. Lower leaves lyrate-pinnatifid to lyrate-pinnate, 8-20 x 3-10 cm; terminal leaflet ovate, elliptic or oblong, not lobed, wider than rest of lf; lateral leaflets alternate, ovate to triangular, in (0)-1-3 pairs, the proximal ones sometimes entire. Upper leaves smaller, sessile, not lobed, ovate to oblong to linear. Racemes erect, to 40 cm long, glabrous or with sparse reflexed hairs. Pedicels erect or erecto-patent at fruiting, 3-6-(25) mm long. Sepals ovate to obovate, glabrous, 4-7 x 1.5-3 mm. Petals 4-9 x 1.5-4 mm. Silique 8-20-seeded, constricted or not between the seeds, glabrous or hairy, 25-40 x 1.5-3 mm; beak conic or somewhat flattened, 0-1-seeded, < or = valves"  (Webb et al., 1998; p. 444)

Habitat/ecology:  In Hawai‘i, collected once in a weedy field on Moloka‘i (Herbaricum Pacificum Staff, 1998; p. 9).

Propagation:  Seed

Native range:  "Widely naturalized, probably native only in Mediterranean region" (GRIN).

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
Moloka‘i Island introduced
invasive
Herbarium Pacificum Staff (1998) (p. 9)
Voucher cited: O. & I. Degener 35830 (BISH), O. & I. Degener 35833 (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. 198)
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Roadsides, waste places, fields, pastures; 400-1800 m".
Colombia
Colombia
Colombia (Republic of)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 198)
Guatemala
Guatemala
Guatemala (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 338)
Indonesia
Indonesia
Indonesia (Republic of)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 198)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 183)
var. arvensis, var. orientalis Koch et Ziz. and var. svhkuhiana L. C. Wheela
Mexico
Mexico
Mexico (United Mexican States)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 198)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 444)
"Waste places and as a weed of agriculture".


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

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This page was created on 4 MAR 2007 and was last updated on 11 MAR 2007.