Pacific Island Ecosystems at Risk (PIER)

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

Primarily a threat at high elevations?  no

Other Latin names:  Convolvulus purpureus L.; Ipomoea hirsutula J. Jacq.; Pharbitis purpurea (L.) Voigt

Common name(s): [more details]

Chinese: yuan ye qian niu

English: common morning-glory, tall morning-glory

Habit:  herb

Description:  "Annual herbStems glabrous or bristly-pubescent, trailing or twining.  Leaf-blade ovate, entire or 3-lobed, 7.5 cm long and wide, acuminate at the apex, cordate at the base, glabrous or pubescent; petiole 7.5-9 cm long.  Flowers solitary or in few-flowered cymes; peduncle up to 12 cm long; pedicels 1.3-2.5 cm long.  Sepals lanceolate, 1.3-1.6 cm long, 1.5-4.5 mm wide, usually not conspicuously attenuated at the apex, bristly below, finely pubescent all over.  Corolla white, pink or magenta; tube white below, 4-5 cm long.  Capsule 1.1 cm in diameter, glabrous, 3-locular"  (Verdcourt, 1963; p. 114).

Habitat/ecology:  "Established on waste and cultivated ground; 900-1750 m" (Verdcourt, 1963; p. 114).

Propagation:  Seed

Native range:  South America, now widely naturalized in the tropics (Verdcourt, 1963; p. 114).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
New Caledonia
New Caledonia
New Caledonia Islands   Swarbrick, John T. (1997) (p. 93)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
Philippines
Philippine Islands
Philippine Islands introduced
cultivated
Merrill, Elmer D. (1923) (p. 367)
Occasionally cultivated for ornamental purposes, but showing no tendency to become naturalized.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
China
China
China (People's Republic of) introduced
invasive
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Waysides, hedges, fields; 0-2800 m, cultivated or escaped.
Japan
Japan
Japan introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 187)
South America (Pacific rim)
South America (Pacific rim)
Chile (Republic of) introduced
Belov, Michail (2013)

Control:  If you know of control methods for Ipomoea purpurea, please let us know.


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

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This page was created on 22 OCT 2002 and was last updated on 9 JAN 2011.