Pacific Island Ecosystems at Risk (PIER)

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Hydrocotyle bonariensis
Lam., Araliaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: kurnell curse, large-leaved pennywort, pennywort

French: herbe bol, herbe tam-tam

Habit:  herb

Description:  "Plants glabrous, arising from tuberous roots, the stems slender, creeping; leaves on long slender petioles, peltate, orbicular or nearly so, 1.5-5 cm in diameter, very shallowly crenate-lobulate; peduncles longer than the leaves, bearing one or more umbels, these proliferous, many-flowered, the flowers white or yellow; pedicels 2-20 mm long, spreading and often reflexed; fruit transverse-ovate, 1-2 mm long, 2-4 mm broad, with distinct acute ribs; stylopodium depressed" (Lundell, 1966; pp. 49-50).

Habitat/ecology:  Mesic sites; will stand prolonged immersion in fresh water.  "H. bonariensis has the potential to increase in abundance on coastal sand dunes and on the sandy soils on cliff faces, coastal riiparian systems (subsaline wetlands) and lawns" (Csurhes & Edwards, 1998; p. 167).

Propagation:  Seed, rooting from nodes (Csurhes & Edwards, 1998; p. 167).

Native range:  Southeastern US, Mexico, Guatemala, Nicaragua, Costa Rica, Panama, South America (Lundell, 1966; pp. 49-50). Tropical and subtropical Americas and Africa; Madagascar; Mauritius; Reunion; 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)
Lord Howe Island
Lord Howe Island introduced
invasive
Csurhes, S./Edwards, R. (1998) (p. 167)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
Pickard, J. (1984) (p. 205)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 18)
Vouchers cited: A.N. Rodd 1482 (K, NSW), P.S. Green 1919 (A, K), J.D. McComish 54 (K, NSW)
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, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Colonizer of coastal dunes and on sandy soil on cliff faces, along creeks and swamps near the coast, weed of coastal lawns.
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
Csurhes, S./Edwards, R. (1998) (p. 167)
Chile (continental)
Chile
Chile (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
British Indian Ocean Territory
Chagos Archipelago
Diego Garcia Island cultivated
Topp, J. M. W. (1988) (p. 8)
British Indian Ocean Territory
Chagos Archipelago
Diego Garcia Island introduced
invasive
cultivated
Whistler, W. Arthur (1996) (pp. 25, 32)
La Réunion (France)
La Réunion Island
La Réunion Island native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
invasive
Csurhes, S./Edwards, R. (1998) (p. 167)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island native
U.S. Dept. Agr., Agr. Res. 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
United States (continental except west coast)
United States (other states)
United States (other states) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 30 OCT 2003 and was last updated on 8 MAY 2013.