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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

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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

Images

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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 Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Ipomoea purpurea S end of the lagoon near old guano pile Preserved_Specimen Lamoureux, C.H. 1699 Laysan Island BISH 1961-09-05
2 Ipomoea purpurea Kapalama Hts., Kamehameha Girls' School Preserved_Specimen fls. bright yellow Neal, M.C. Oahu BISH 1932-06-06
3 Ipomoea purpurea Kahaluu, farm belonging to S. Yogi UNKNOWN . Coordinates do not match to country in source data. Consortium of Pacific Northwest Herbaria Vladimir J. Krajina V184102 Oahu HAPI 6/25/1966
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