Pacific Island Ecosystems at Risk (PIER)

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Veronica arvensis
L., Plantaginaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Veronica sartoriana Boiss. & Heldr.

Common name(s): [more details]

Chinese: zhi li po po na

English: common speedwell, corn speedwell, field speedwell, rock speedwell, wall speedwell

Japanese: tachi-inunofuguri

Habit:  herb

Description:  "Annuals. Stems erect or ascending, simple or branched and diffuse, 5-30 cm tall, with white multicellular hairs often concentrated along 2 lines. Leaves often 3-5 pairs, lower ones short petiolate, upper sessile; leaf blade ovate-orbicular, 5-15 x 4-10 mm, hirsute, margin crenate, veins 3-5. Racemes terminal, lax, elongated to 20 cm, many flowered, with multicellular glandular hairs; bracts alternate, leaflike, lower ones narrowly ovate and sparsely crenate, upper ones narrowly elliptic and entire. Pedicel less than 2 mm. Calyx 4-lobed, 3-4 mm; lobes linear-lanceolate, lower 2 lobes longer than upper 2. Corolla blue to blue-purple, rotate, ca. 2 mm, shorter than calyx; lobes orbicular to narrowly oblong. Stamens shorter than corolla. Capsule obcordate, strongly compressed, 2.5-3.5 x 3-4 mm, glabrous, margin glandular ciliate, apex notch very deep; lobes rounded-obtuse. Style less than 1 mm, shorter than to equaling notch. Seeds oblong, ca. 1 mm, smooth"  (Flora of China online).

Habitat/ecology:  In China, "naturalized in waste grassy places and along roads; below 2000 m"  (Flora of China online).  In New Zealand, "Often very common; open modified habitats such as waste places, roadsides, arable land, short and poor or depleted pastures, lawns, stream beds and cliffs from sea level to c. 1000 m"  (Webb et al., 1988; p. 1209).  In Australia, "grows in grassy areas, disturbed sites, weed of lawns and gardens; widespread"  (NSW PlantNET).

Propagation:  Seed

Native range:  Canary and Madeira Islands, Europe, northern Africa, 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)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994)
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
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 558)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1250)
Voucher cited: Faurie 892 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1250)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1250)
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 1209)
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
National Herbarium of New South Wales (2013)
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 189)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 1209)
Taiwan
Taiwan Island
Taiwan Island introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (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
Canada (except British Colombia)
Canada
Canada (country) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
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
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


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This page was created on 15 FEB 2011 and was last updated on 6 APR 2011.