Pacific Island Ecosystems at Risk (PIER)

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Ipomoea ochracea
(Lindl.) G.Don, Convolvulaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: fence morning-glory

Habit:  vine

Description:  "Vines; stems twining, herbaceous, up to ca. 3 m long, glabrous.  Leaf blades chartaceous, cordate, 3.5-6 cm long, 3-5 wide, glabrous, margins entire, apex narrowly acuminate to acute, mucronulate, petioles up to 8 cm long.  Flowers solitary, axillary, or few in cymes, pedicels 5-40 mm long; sepals unequal, inner ones ovate, larger than outer ones, ca. 6 mm long, ca. 3 mm wide, apex acute, base rounded, outer ones ca. 5 mm long, ca. 2.5 mm wide, apex acuminate, mucronate, base rounded, all sepals glabrous, minutely verrucose, margins scarious; corolla yellow, purple within tube, funnelform, 2.5-4 cm long.  Capsules brown, ovoid, 1.0-1.5 cm long, 0.5-0.7 cm in diameter, glabrous.  Seeds often 4, sometimes fewer, black, gobose to ovoid, ca. 4 mm in diameter, glabrous to puberulent" (Wagner et al., 1999; p. 559).

Habitat/ecology:  In Hawai‘i, "naturalized in disturbed mesic sites, 15-600 m" (Wagner et al., 1999; p. 559). In New Caledonia, "localement abondant en bords de route" (MacKee, 1994; p. 41). "Malgré le fait que c'est une assez jolie plante ornementale, elle ne semble pas être cultivée dans les jardins et se rencontre spontanément sur sol gravillonnaire en lisière de forêt sèche, sur sables coralliens ou sur alluvions" (Heine, 1984; pp. 76, 78).

Propagation:  Seed

Native range:  Africa; 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
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 559)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 559)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 559)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 559)
Voucher cited: Forbes 2532.O (BISH)
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. 41)
Vouchers cited: Baumann 5100, MacKee 6592, Schmid 374, MacKee 26965, MacKee 36912
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
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) introduced
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 1 JAN 1999 and was last updated on 13 MAY 2013.