Pacific Island Ecosystems at Risk (PIER)

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Fallopia convolvulus
(L.) Love, Polygonaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Polygonum convolvulus L.

Common name(s): [more details]

Chinese: wan shou wu

English: black bindweed, climbing-buckwheat, cornbind, wild buckwheat

French: faux liseron, renouée liseron, vrillée sauvage

Japanese: soba-kazura

Spanish: albohol de castilla, chilillo, enredadera, polígono trepador

Habit:  herb

Description:  "A finely pilose-papillos annual herb; stems twining, slender, 1.5-10 m long, branched.  Leaves ovate-sagittate or lanceolate-sagittate, acute or acuminate at apex, cordate at base, 3-7 cm long, 2.5-5 cm wide, membranaceous, petiolate; papillose, the margins obliquely truncate, not ciliate.  Flowers nodding, greenish white, loosely arranged in terminal panicles or axillary small fascicles; perianth 2-3 mm long, expanding after anthesis and including the nuts; pedicels slender, articulate.  Nuts obovate-conical, acute, trigonous, 3-4 mm long, dull, black, punctate" (Li et al., 1976; p. 267).

"Slightly roughish annual, stem soon twining, or sometimes merely procumbent; leaves cordate, ovate, dull green; flowers in short axillary clusters or axillary and terminal interrupted or moniliform spike-like racemes; pedicels mostly shorter than puberulent green or purplish-tipped calyx; fruiting calyx subrhomboid-ovoid, 4-5 mm long, trigonous, with scarcely developed keels; achene minutely roughened, dull" (Fernald, 1950; p. 588).

Habitat/ecology:  "Weed of cultivated and waste ground" (Fernald, 1950; p. 588).  In Taiwan, naturalized, "twining upon hedges and shrubs in waste places" (Li et al., 1976; p. 267). In Hawai‘i, "single collection on barren, disturbed ground in a pasture, Haleakala National Park, Maui" (Wagner et al., 1999; pp. 1063-1064). In New Caledonia, "mauvaise herbe peu commune des cultures" (MacKee, 1994; p. 117).

Propagation:  Seed

Native range:  Europe (Fernald, 1950; p. 588).  Europe and W. Asia (Li et al., 1976; p. 267). Europe and western Asia, now widely naturalized throughout tropical and temperate regions of the Northern Hemisphere (Wagner et al., 1999; pp. 1063-1064).  Europe, North Africa, Asia; 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. 10)
"A rare weed, native to temperate Eurasia, now widely naturalised". Voucher cited: P. Ralston 72 (A)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1063-1064)
Voucher cited: R. Nagata s.n. (BISH)
New Caledonia
New Caledonia
New Caledonia Islands   Fernald, M. L. (1950)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 117)
Voucher cited: MacKee 35068
Philippines
Philippine Islands
Philippine Islands   Hafliger, Toni J./Wolf, Matthias (1988) (p. 275)
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, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Chile (continental)
Chile
Chile (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Chile (continental)
Chile
Chile (Republic of)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 275)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets in valleys, stream banks; 100-3600 m. Anhui, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan.
Japan
Japan
Japan (country) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 181)
North Korea
North Korea
North Korea (Democratic People's Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South Korea
South Korea
South Korea (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States)   Hafliger, Toni J./Wolf, Matthias (1988) (p. 275)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 968)
"A common weed of cultivation".
Perú
Perú
Perú (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets in valleys, stream banks; 100-3600 m.
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 22 SEP 2002 and was last updated on 9 DEC 2010.