Pacific Island Ecosystems at Risk (PIER)

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Merremia dissecta
(Jacq.) H.Hallier, Convolvulaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Convolvulus dissectus Jacq.; Ipomoea dissecta (Jacq.) Pursh; Ipomoea sinuata Ortega

Common name(s): [more details]

Chinese: duo lie yu huang cao

English: noon-flower, noyau vine, white convolvulus creeper

Habit:  vine

Description:  "Herbaceous vine..., the stems hirsute with yellow-brown hairs; petioles 2.5-7 cm long; leaf blades suborbicular in outline, 5-20 cm in diameter, palmately divided nearly to base, the lobes 5-9, sinuate to sinuate-dentate; sepals unequal, the 3 outer ones ovate-lanceolate, 15-25 mm long, enlarged and coriaceous in fruit; corolla broadly campanulate, 3-4.5 cm long, white with a purple center; fruit depressed-globose, 1-2 cm in diameter, partially surrounded by the accrescent calyx, the seeds black, subrounded, glabrous." (Smith, 1991; p. 48).

Habitat/ecology:  "Naturalised in many tropical regions on disturbed areas associated with settlements and on roadsides" (Smith, 2002; p. 51). In Fiji, "perhaps still cultivated or naturalized near sea level" (Smith, 1991; p. 48).

Propagation:  "Shattering capsules disperse seeds around the parent plant. Plants spread by rooting at nodes and fragmentation. Main spread has been intentionally as an ornamental creeper." (Smith, 2002; p. 51).

Native range:  "Florida and the West Indies to Argentina and Uruguay; introduced elsewhere and sometimes naturalized" (Smith, 1991; p. 48).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
cultivated
Smith, Albert C. (1991) (p. 48)
French Polynesia
Society Islands
Moorea Island   University of California (2006)
French Polynesia
Society Islands
Moorea Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
var. edentata (C.D. Meisner) C.A. O'Donell
Adventice
French Polynesia
Society Islands
Taha‘a Island introduced
Welsh, S. L. (1998) (pp. 86-87)
Voucher cited: BRY 26540
French Polynesia
Society Islands
Tahiti Island introduced
Welsh, S. L. (1998) (pp. 86-87)
Voucher cited: Setchell & Parks 148
French Polynesia
Society Islands
Tahiti Island introduced
invasive
cultivated
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 10703 (PAP)
Ornementale assez rare à Tahiti, ici traitée en palissade. Tend à se naturaliser.
Kiribati
Line Islands
Tabuaeran (Fanning) Atoll introduced
Wester, Lyndon (1985) (p. 29)
Present in garden.
Samoa
Western Samoa Islands
Upolu Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1921) (voucher ID: PTBG 45938)
Taxon name on voucher: Merremia dissecta
Samoa
Western Samoa Islands
Western Samoa Islands introduced
Smith, Albert C. (1991) (p. 48)
Tonga
Tonga Islands
Tonga Islands introduced
Smith, Albert C. (1991) (p. 48)
Tonga
Vava‘u Group
Niuafo‘ou Island introduced
invasive
Yuncker, T. G. (1959) (p. 224)
Voucher cited: Yuncker 16001
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)
Northern Territory introduced
invasive
cultivated
Smith, Nicholas M. (2002) (p. 51)
Australia
Australia (continental)
Queensland introduced
invasive
cultivated
Smith, Nicholas M. (2002) (p. 51)
China
China
China (People's Republic of) introduced
invasive
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Cultivated and escaped. Guangdong.
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 224)
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)
El Salvador
El Salvador
El Salvador (Republic of) 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) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
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)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Maldives
Maldive Islands
Malè Atoll   Fosberg, F. R. (1957) (p. 31)
"Climbing in scrub at top of seaward beach". Voucher cited: Fosberg 36839 (US)
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) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Texas
United States (continental except west coast)
United States (other states)
USA (Florida) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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

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This page was created on 29 MAR 2005 and was last updated on 19 OCT 2006.