Pacific Island Ecosystems at Risk (PIER)

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Ipomoea nil
(L.) Roth, Convolvulaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Convolvulus nil L.; Pharbitis limbata Lindl.; Pharbitis nil (L.) Choisy

Common name(s): [more details]

Chinese: qian niu

English: blue morning glory, ivy morning-glory, Japanese morning-glory, white-edge morning-glory

French: liseron bleu, liseron hallier

Habit:  vine

Description:  "Annual or sometimes short-lived perennial, with twining to decumbent-creeping, slender, somewhat angular stems 2-5 m long; herbage sparsely to moderately hirsute with tawny, simple hairs 1-4 mm long, hairs spreading to slightly retrorse; leaf blades suborbicular, entire to narrowly and shallowly to moderately 3-lobed, 3-18 cm long, 3-20 cm wide, cordate with narrow sinus, acute to short-acuminate at apex and tips of lateral lobes, auricles rounded and entire, dark green, sparsely subappressed-hirsute on upper surface, much paler and more densely hirsute beneath; inflorescence cymose on peduncles 1-15 cm long, retrorsely hirsute; bracts linear to lanceolate, 5-11 mm long; flowers 1 to several on each peduncle; sepals linear, 15-30 mm long, nearly equal, bases ovate, 2.5-3 mm wide, gradually narrowing into linear terminal blade, densely hirsute; corolla funnelform, 2.5-6 cm long, pale blue to deep blue, throat and tube gradually ampliate, paler than limb, this 3-5 cm across, glabrous without; stamens subequal, the shorter 12-40 mm long, the longer 15-45 mm long, conspicuously glandular-hirsute toward base; style 15-30 mm long, slender; stigma shallowly bilobed, granular; capsules ovoid to depressed-subglobose, 7-8 mm high, 8-12 mm thick, 3-6-seeded; seeds 4.5-6 mm long, black or brown, sparsely to densely grayish-puberulent, or sometimes nearly glabrous"  (Wiggins & Porter, 1971; pp. 378-379).

Habitat/ecology:  "A pantropical species" (Wiggins & Porter, 1971; pp. 378-379). Arid lowlands in the Galápagos Islands (McMullen, 1999; p. 316).

Propagation:  Seed

Native range:  Mexico to Argentina; cultivated and 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
Ecuador (Galápagos Islands)
Floreana Group
Floreana Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Isabela Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Alcedo, Isabela Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Pinta Group
Pinta Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Albany Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Mao Islet, Santiago Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Santiago Island introduced
invasive
Charles Darwin Foundation (2008)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
cultivated
MacKee, H. S. (1994) (p. 41)
Vouchers cited: MacKee 21044, MacKee 43978
Spontané
New Guinea (Indonesia and Papua New Guinea)
New Guinea Island
New Guinea Island introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Philippines
Philippine Islands
Philippine Islands introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
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
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Western Australia
Naturalized
Australia
Australia (continental)
Northern Territory introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Australia
Australia (continental)
Queensland introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Cambodia
Cambodia
Cambodia (Kingdom of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
China
China
China (People's Republic of) introduced
invasive
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets on mountain slopes, waysides, fields, hedges; 0-1600 m. Cultivated or escaped.
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)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honduras
Honduras
Honduras (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 195)
Indonesia
Indonesia
Indonesia (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 187)
Japan
Ryukyu Islands
Ryukyu Islands introduced
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Malaysia
Malaysia
Malaysia (country of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
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)
Taiwan
Taiwan Island
Taiwan Island introduced
invasive
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets on mountain slopes, waysides, fields, hedges; 0-1600 m. Cultivated or escaped.
Thailand
Thailand
Thailand (Kingdom of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Thailand
Thailand
Thailand (Kingdom of) introduced
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Indian Ocean offshore islands)
Christmas Island Group
Christmas Island introduced
invasive
Swarbrick, J. T. (1997) (p. 116)
French Territory of Mayotte
Mayotte Islands
Mayotte Island introduced
Comité français de l'Union Internationale pour la Conservation de la Nature en France (2013)
Naturalisée, potentiellement envahissant.


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This page was created on 22 JUN 2004 and was last updated on 13 MAY 2013.