Pacific Island Ecosystems at Risk (PIER)

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Parietaria judaica
L., Urticaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Parietaria diffusa Mert. & W. D. J. Koch

Common name(s): [more details]

English: asthma weed, pellitory, pellitory-of-the-wall, spreading pellitory

Habit:  herb

Description:  "Herbs, perennial from crown, 1-8 dm. Stems ascending, erect, or decumbent. Leaf blades narrowly to broadly elliptic, lance-elliptic, or ovate, 1.3-9 x 0.8-4.5 cm, base attenuate, cuneate, or broadly rounded, apex abruptly acuminate to long-attenuate. Flowers: involucral bracts 1.5-2.5 mm; tepals ca. 2-3.5 mm, longer than bracts. Achenes dark brown, symmetric, 1-1.2 x 0.6-0.9 mm, apex acute, mucro absent or minute; stipe centered, on cylindric base"  (Flora of North America online).

Description from Flora of Australia online.

Habitat/ecology:  In New Zealand, "locally established in gardens, waste places, at forest margins and on coastal cliffs"  Webb et al., 1988; p. 1263).  In the United States, "cracks in sidewalks, ballast heaps, waste places, frequently about ports and coastal areas; 0-200 m"  (Flora of North America online).

Propagation:  Seed

Native range:  Canary and Madeira Islands, Europe, northern Africa, Asia east to Nepal (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Cuevas, Jaime G./Marticorena, Alicia/Cavieres, Lohengrin A. (2004) (p. 536)
Vouchers cited: CONC 158070, JF 327
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
cultivated
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 556)
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)
New South Wales introduced
invasive
Australian Biological Resources Study (2013)
Vouchers cited: E. McBarron 22393 (NSW), R. Coveny 7609 (NSW)
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
"Naturalized in the Sydney area as a common roadside and garden weed".
Chile (continental)
Chile
Chile (Republic of) introduced
Cuevas, Jaime G./Marticorena, Alicia/Cavieres, Lohengrin A. (2004) (p. 536)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 1263)
United States (west coast)
United States (west coast states)
USA (California) introduced
invasive
Flora of North America Editorial Committee, eds. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
U.S. Dept. Agr., Nat. Res. Cons. 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) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
invasive
Flora of North America Editorial Committee, eds. (2013)


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

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This page was created on 16 DEC 2010 and was last updated on 13 JAN 2011.