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Ipomoea triloba

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Solanales Family: Convolvulaceae Genus: Ipomoea

little bell

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Description

Key Characters:

Growth Form: Vines.

Stems: Stems prostrate and twining, herbaceous, 1-4 m long, glabrous to finely pubescent.

Roots:

Leaves: Leaves simple, rarely compound. Alternate. Blades broadly ovate to orbicular, 2-10 cm long, 2-9 cm wide. Apex obtuse to acute. Base cordate. Surfaces glabrous or sparsely pilose; blades chartaceous. Margins entire or coarsely dentate to deeply 3-5(-7)-lobed, lobes rounded to angular or lobed. Petioles about as long as blades. Stipules absent.

Flowers: Flowers 1 to numerous, axillary, in subumbellate cymes, or rarely solitary, glabrous to sparsely pubescent, pedicels 2-8 mm long; bracts scale-like to foliose. Flowers bisexual (perfect), actinomorphic, 5-merous. Calyx of 5 sepals, distinct, imbricate, herbaceous to chartaceous, subequal or outer ones slightly shorter than inner ones, oblong to elliptic-oblong, 7-8 mm long, rarely somewhat longer, densely to sparsely pilose, margins conspicuously long-ciliate, especially toward base, apex obtuse to acute; often somewhat enlarging in fruit but not markedly accrescent, persistent, occasionally accrescent. Corolla of 5 fused petals; petals purple to white, funnelform, 1.5-2(-2.5) cm long. Stamens 5, distinct; included or rarely exserted; filaments inserted on corolla tube base alternate with corolla lobes; anthers dithecal, usually linear or oblong, extrorse. Ovary superior, 2–4-carpellate, usually with as many cells, placentation basal or basal-axile; ovules 2(4, 6) per cell, or ovary 1-celled and ovules 4, these erect, anatropous; style 1, filiform, simple or bifid, or sometimes with 2 distinct style; stigma globose or 2–3-lobed, the lobes globose.

Fruit: Capsules brown; 0.5-0.6 cm in diameter; subglobose; pubescent; dehiscent by 4 valves or rarely 6 valves; or splitting irregularly. Seeds 1-4; dark brown; subglobose; 3-3.5 mm long; usually glabrous; endosperm absent or scanty; cartilaginous; cotyledons usually foliaceous.

Ploidy: 2n = 30

Habitat: Naturalized in low elevation; dry to mesic; disturbed sites.

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kuaihelani (Midway Atoll) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 161 (1753)

Other References

Wagner et al. 1990:559 (Mi, K, O, M); Oppenheimer & Bartlett 2002:6 (H); Oppenheimer 2006:11 (Mo); Oppenheimer 2007:22 (L); Starr & Starr 2008/Herbst 6443 BISH (Mi†, 1980)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Ipomoea triloba Honolulu, Univ. Hawaii Preserved_Specimen Pearsall, G.A. Oahu BISH 1953-10-01
2 Ipomoea triloba Aiea Heights, M. Kiener orchard Preserved_Specimen Degener, O. 24355 Oahu BISH 1956-08-15
3 Ipomoea triloba Germinated from imported rat bait block used by the U.S. Army Environmental group for rodent control Preserved_Specimen Palumbo, D. Oahu BISH 2002-10-01
4 Ipomoea triloba Waipio pineapple field, which was a cane field 3 yrs. before Preserved_Specimen prostrate weed, branches 1 m long; corolla magenta-pink, 14 mm long. Sakimura, K. Oahu BISH 1954-05-28
5 Ipomoea triloba Damon Tract, Hickam Housing area Preserved_Specimen Pearsall, G.A. Oahu BISH
6 Ipomoea triloba W of Kalaheo cane field Preserved_Specimen corolla purple Wagner, W.L. 6007 Kauai BISH 1988-04-07
7 Ipomoea triloba East Maui, Hana District, Kahanu Gardens, Piilani Heiau, 5 mi W Hana Coastal flats of decomposed a'a and scoria. Gravelly area. Preserved_Specimen Creeping vine, flowers pink, closed by just after noon. Fosberg, F.R. 55431 Maui BISH 1974-04-13
8 Ipomoea triloba W of Kaunakakai Growing in waste area. Preserved_Specimen Plants sprawling, flowers purple, closing in afternoon. Oppenheimer, H.L. 40405 Molokai BISH 2004-04-02
9 Ipomoea triloba West Maui, Waihee, Maui Coastal Land Trust coastal wetland property south of Waihee Point Thickly vegetated wetland margin with herbaceous mix of Commelina diffusa, Asystasia gangetica, Paspalum conjugatum, Carmona retusa, Pluchea indica, P. xfosbergii. Preserved_Specimen Purple-flowered clambering vine; occasional. Imada, C. 200448 Maui BISH 2004-09-17
10 Ipomoea triloba Hickam Field fence Preserved_Specimen fls. lavender Pearsall, G.A. Oahu BISH 1946-10-01
11 Ipomoea triloba Former Naval Air Station Barbers Point, Northern Trap & Skeet Range With Asystasia gangetica, Panicum maximum, and Cenchrus ciliaris. Under Prosopis pallida canopy. Preserved_Specimen Vine 1.5 x 1 m area - 2 patches each. Flowers purple white. BISH staff 22 Oahu BISH 2021-04-30
12 Ipomoea triloba S Hilo District, in Hilo Growing at edge of lawn. Preserved_Specimen Oppenheimer, H.L. 40025 Hawaii BISH 2000-04-24
13 Ipomoea triloba East Maui, Hana District, Kalahu Point, PTBG Kahanu Garden Disturbed area between Pandanus forest and lawn area around Pi'ilanihale Heiau. Preserved_Specimen Common vine. Leaves dark green above, paler below. Petioles and stem with some reddish colour. Corolla tube lilac, lobes slightly paler. Flynn, T.W. 2435 Maui BISH 1987-10-15
14 Ipomoea triloba Hwy 11, mile 9-10, near Kurtistown Puna District In disturbed area adjacent to highway. Preserved_Specimen Vine; fls. purple-pink. Pratt, L.W. 3328 Hawaii BISH 2003-06-12
15 Ipomoea triloba Waipahu cane field, climbing around plants Preserved_Specimen Strong, spreading vine, stems purple; fls. pink-purple Uehara, S. Oahu BISH 1961-11-21
16 Ipomoea triloba Koloa District. Poipu. NTBG Kauai South Shore Vistors Center. Cultivated Growing on Wikstroemia uva-ursi. Preserved_Specimen Pinkish purple corolla with fused petals. Cordate leaves Wolkis, D. 1134 Kauai BISH 2016-12-20
17 Ipomoea triloba Kaunakakai; on fence, downtown back lot On fence. Preserved_Specimen Ornamental, residential vine. Flowers blue. Starr, F. 505182 Molokai BISH 2005-05-18
18 Ipomoea triloba W Maui, Lahaina District, Kamanawai Gulch near Honoapiilani Hwy On rocky beach, above high tide level. Preserved_Specimen Corolla purple. Wagner, W.L. 5788 Maui BISH 1988-03-03
19 Ipomoea triloba Waipio pineapple field, which was a cane field 3 yrs. before Preserved_Specimen prostrate weed, branches 1 m long; corolla magenta-pink, 14 mm long. Sakimura, K. Oahu BISH 1954-05-28
20 Ipomoea triloba Lihue, NW corner of Vidinha Stadium parking lot along cane field Preserved_Specimen Corolla dark pink, ~1/2 across. Vine trailing over other weeds Flynn, T.W. 1072 Kauai BISH 1985-04-11
21 Ipomoea triloba W Maui Growing along canefield road. Preserved_Specimen A weed. Hobdy, R.W. 2502 Maui BISH 1986-02-12
22 Ipomoea triloba Hulopoe In waste areas. Preserved_Specimen Landscape weed; flowers open in morning, closed by midday. Oppenheimer, H.L. 100644 Lanai BISH 2006-10-20
23 Ipomoea triloba NW end of Kawainui Marsh, Kailua weedy roadside Preserved_Specimen twining on weeds and creeping on ground, flowers rose-pink Fosberg, F.R. 57411 Oahu BISH 1978-03-24
24 Ipomoea triloba Univ.Hawaii Manoa Campus Preserved_Specimen vine with light-purple flowers which close early in the day. Herbst, D.R. 5078 Oahu BISH 1974-10-20
25 Ipomoea triloba Oahu, Waipio, pineapple field, which was a cane field 3 yrs before pineapple field Preserved_Specimen prostrate weed, branches 1 m long; corolla magenta-pink, 14 mm long Sakimura, K. Oahu BISH 1954-05-28
26 Ipomoea triloba Near Kipapa Gulch pineapple field Preserved_Specimen Degener, O. 27859 Oahu BISH 1962-02-21
27 Ipomoea triloba Vacant lot, U.S. Army Reserve area, Pearl City Industrial Park Vacant lot Preserved_Specimen Corn, C. Oahu BISH 1986-06-23
28 Ipomoea triloba Koolau Mtns. on road towards Castle Trail Preserved_Specimen flowers lavender with violet center Wagner, W.L. 5624 Oahu BISH 1985-09-08
29 Ipomoea triloba S Hilo District, Waiakea Preserved_Specimen Oppenheimer, H.L. 40021 Hawaii BISH 2000-04-21
30 Ipomoea triloba Aiea, Honolulu Plantation Co Preserved_Specimen thin-stemmed climber, roots are tuberous or swollen Martin, J.P. Oahu BISH 1943-03-18
31 Ipomoea triloba Honolulu, Plantation Co. Field 24 Preserved_Specimen fls. pink to purple, 1/2 in diam. Pemberton, C.E. Oahu BISH 1943-03-18
32 Ipomoea triloba Univ. Hawaii Manoa Campus Preserved_Specimen vine with small purple flowers which close in late morning. Leaves cordate to trilobate Herbst, D.R. 5265 Oahu BISH 1975-04-03
33 Ipomoea triloba Honolulu Plantation Co. Field 24 Preserved_Specimen Fls. pink to purple, 1/2 in diam. Martin, J.P. Oahu BISH 1943-04-20
34 Ipomoea triloba Honolulu Plantation Co. Field 24 Preserved_Specimen Fls. pink to purple, 1/2 in diam. Martin, J.P. Oahu BISH 1943-04-20
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