Pacific Island Ecosystems at Risk (PIER)

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Pilea nummulariifolia
(Swartz) Wedd., Urticaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results: 

Low risk, score: 0 (Go to the risk assessment (Pacific))
Reject, score: 11 (Go to the risk assessment (U.S. (Florida)))

Other Latin names:  Urtica nummulariifolia Sw.

Common name(s): [more details]

English: creeping Charlie

Tongan: lo‘imatatō

Habit:  herb

Description:  "Creeping herb, rooting freely from nodes; stems reddish, decumbent, to 8 inches tall.  Leaves of pair subequal; petiole 0.15-1 inch long; blades broadly elliptic to circular, 0.3-2 inches long, bright green, surface puckered, base rounded to cordate, margins scalloped to toothed, apex rounded; stipules ovate, less than or equal to 0.125 inch long, obtuse and sometimes ciliate.  Male and female inflorescences separate, borne in upper leaf axils; male inflorescence sessile, partly concealed by leaves, flower pedicels elongate, hairy; female inflorescence stalked, stalk to 0.33 inch long, glabrous"  (Staples & Herbst, 2005; p. 554).

Habitat/ecology:  "Requires ample moisture and a shady situation"  (Staples & Herbst, 2005; p. 554).

Propagation:  Seed, rooting from nodes (Staples & Herbst, 2005; p. 554).

Native range:  "West Indies and Latin America from Panama to Peru"  (Staples & Herbst, 2005; p. 554).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cook Islands
Southern Cook Islands
Rarotonga Island introduced
cultivated
McCormack, Gerald (2013)
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
cultivated
Charles Darwin Foundation (2008)
Federated States of Micronesia
Kosrae Island
Kosrae Island introduced
invasive
cultivated
Lorence, David H./Flynn, Timothy (2010) (p. 25)
Naturalized
French Polynesia
Marquesas Islands
Hiva Oa Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Society Islands
Tahiti Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Cultivée
French Polynesia
Austral (Tubuai) Islands
Raivavae (Raevavae) Island introduced
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence & W.R. Sykes 11176 (PAP)
Subspontanée
State of Hawaii
Hawaiian Islands
O‘ahu Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1961) (voucher ID: BISH 71306)
Taxon name on voucher: Pilea nummulariifolia (Swartz) Wedd.
Marshall Islands
Ratak Chain
Majuro (Mãjro) Atoll introduced
cultivated
Vander Velde, Nancy (2003) (p. 130)
Ground cover and potted plant.
Nauru
Nauru Island
Nauru Island introduced
cultivated
Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 203)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 138)
Voucher cited: MacKee 21962
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island introduced
invasive
cultivated
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 6)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 67)
Ornamental.
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) introduced
cultivated
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 69)
Cultivated only
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)
USA (Florida) native
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


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This page was created on 22 MAR 2008 and was last updated on 21 SEP 2012.