Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Rapistrum rugosum
(L.) All., Brassicaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 5 (Go to the risk assessment).

Common name(s): [more details]

English: bastard cabbage, turnipweed, wild rape, wrinkled gold-of-pleasure

French: lassène, rapistre rugueux

Spanish: citró, jaramago, ravenissa groga, tamarillas

Habit:  herb

Description:  "Annual herb. Stems weakly ribbed, bearing slightly deflexed short tapered hairs, but ± glabrous above, and below with age, (10)-20-60- (80) cm tall. Leaves serrate to dentate, petiolate, hairy with short tapered hairs. Lower leaves pinnate to pinnatifid or rarely not lobed, (2)-8-20 x (1)-2-7 cm, with a large ovate-oblong terminal lobe and (0)-1-4 pairs of oblong lateral lobes. Upper leaves ovate to linear, 2-5 x 0.5-1.5 cm. Racemes glabrous or hairy, 10-30-(40) cm long. Pedicels erect, 2-4 mm long. Sepals narrow-lanceolate. Petals pale yellow with darker veins, 6-10 mm long; limb elliptic. Silicle erect, hairy or glabrous, weakly to strongly ribbed and rugose; lower segment cylindric or barrel-shaped, 2-3-(5) mm long; upper segment ovoid to turbinate, 2-4 x 2-4-(5) mm, tapering ± abruptly above; style 2-3 mm long. Upper seed c. 2 mm long, lower c. 1 mm long"  (Webb et al., 1988; p. 440).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Macaronesia, northern Africa, Europe, western and central Asia; widely naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 8)
"An occasional weed". Voucher cited: G. Uhe 1207 (K)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Lorence, David H./Flynn, Timothy W./Wagner, Warren L. (1995) (p. 27)
Voucher cited: T. Flynn & D.Lorence 2182 (BISH, PTBG, US)
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. 192)
Chile (continental)
Chile
Chile (Republic of)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 192)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 183)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 440)
"Coastal, waste land, railway ballast, gardens".


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

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 4 MAR 2007 and was last updated on 22 DEC 2012.