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Ipomoea purpurea

(L.) Roth (1787)

This name is accepted

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

Description

Key Characters:

Growth Form: Herbs annual, twining; axial parts short pubescent and long retrorse hirsute.

Stems: Stems 2-3 m.

Roots:

Leaves: Leaves simple. Alternate. Blades circular-ovate or broadly ovate, 4-18 X 3.5-16.5 cm. Apex acute or ± abruptly acuminate. Base cordate. Surfaces ± strigose. Margins entire or ± 3-lobed. Petioles 2-12 cm.

Flowers: Inflorescences 1-5-flowered; peduncle 4-12 cm; bracts linear, 6-7 mm, spreading hirsute. Pedicel recurved before and after anthesis, 1.2-1.5 cm. Flowers perfect Sepals 5, subequal, 1.1-1.6 cm, spreading hirsute abaxially in basal 1/2; outer 3 oblong, apex acuminate; inner 2 linear-lanceolate. Corolla 5, red, reddish purple, or blue-purple, with a fading to white center, funnelform, 4-6 cm, glabrous. Stamens 5, included, unequal; filaments pubescent basally. Ovary superior, pistil included, glabrous, 3-loculed; stigma 3-lobed.

Fruit: Capsules subglobose; 9-10 mm in diam.; 3-valved. Seeds black or straw colored; ovoid-trigonous; glabrous or hilum sparsely pilose.

Ploidy: 2n = 30; 32

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Potentially Naturalizing

Island Status

O'ahu Only found in cultivation
Kamole(Laysan Island) Potentially Naturalizing

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Bot. Abh. Beobacht.: 27 (1787)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Ipomoea purpurea (L.) Roth Tantalus, Round Top Dr, grassy median across from gate to Puu Ualakaa Wayside savannah PRESERVED_SPECIMEN Vladimir J. Krajina, D. Mueller-Dombois 660625013 Oahu HAPI 6/25/1966
2 Ipomoea purpurea (L.) Roth Kahaluu, farm belonging to S. Yogi UNKNOWN Vladimir J. Krajina V184102 Oahu HAPI 6/25/1966
3 Ipomoea purpurea (L.) Roth s end of the lagoon Associated vegetation: Grevillea robusta, Schinus terebenthifolius, Pinus sp., Casuarina equisetifolia, Dodonaea viscosa, Syzygium cuminii, grass understory. PRESERVED_SPECIMEN lamoureux, c.h. collector number: 1699 Oahu BISH 9/5/1961
4 Ipomoea purpurea (L.) Roth Hawaii Island, Mauna Loa strip road savannah PRESERVED_SPECIMEN Vladimir J. Krajina, D. Mueller-Dombois 660625013 UBC 6/25/1966
5 Ipomoea purpurea (L.) Roth Kapalama Hts., Kamehameha Girls' School PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/6/1932
6 Ipomoea purpurea (L.) Roth S end of the lagoon near old guano pile PRESERVED_SPECIMEN Lamoureux, C.H. 1699 Laysan BISH 9/5/1961
7 Ipomoea purpurea (L.) Roth Tantalus, Round Top Dr, grassy median across from gate to Puu Ualakaa Wayside savannah PRESERVED_SPECIMEN Vladimir J. Krajina, D. Mueller-Dombois 660625013 Oahu HAPI 6/25/1966
8 Ipomoea purpurea (L.) Roth Kahaluu, farm belonging to S. Yogi UNKNOWN Vladimir J. Krajina V184102 Oahu HAPI 6/25/1966
9 Ipomoea purpurea (L.) Roth s end of the lagoon Associated vegetation: Grevillea robusta, Schinus terebenthifolius, Pinus sp., Casuarina equisetifolia, Dodonaea viscosa, Syzygium cuminii, grass understory. PRESERVED_SPECIMEN lamoureux, c.h. collector number: 1699 Oahu BISH 9/5/1961
10 Ipomoea purpurea (L.) Roth Hawaii Island, Mauna Loa strip road savannah PRESERVED_SPECIMEN Vladimir J. Krajina, D. Mueller-Dombois 660625013 UBC 6/25/1966
11 Ipomoea purpurea (L.) Roth Kapalama Hts., Kamehameha Girls' School PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/6/1932
12 Ipomoea purpurea (L.) Roth S end of the lagoon near old guano pile PRESERVED_SPECIMEN Lamoureux, C.H. 1699 Laysan BISH 9/5/1961
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