Ipomoea nil

(Linnaeus) Roth

Catal. Bot. 1: 36. 1797.

Common names: Japanese morning glory
WeedyIntroduced
Basionym: Convolvulus nil Linnaeus Sp. Pl. ed. 2, 1: 219. 1762
Synonyms: Pharbitis hederacea (Linnaeus) Choisy P. nil (Linnaeus) Choisy
Treatment appears in FNA Volume 14.
Revision as of 13:15, 24 November 2024 by imported>Volume Importer
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Annuals. Stems twining. Leaf blades cordate, ± orbiculate, ovate, or 3-lobed, 50–150 × 20–140 mm overall, base cordate, surfaces sparsely hirsute to seri­ceous. Peduncles hairy, hairs retrorse. Flowers: sepals lance-linear, 15–25(–30) mm, herbaceous, proximally narrowly ovate, densely hispid, gradually narrowed to ± straight, hispid to strigose or glabrate distal portion longer than ovate base; corolla usually blue to purplish, sometimes red or white, tube white or yellow inside, funnelform, (20–)30–60+ mm. 2n = 30.


Phenology: Flowering Jul–Dec.
Habitat: Abandoned plantings, fields, thickets.
Elevation: 10–2200 m.

Distribution

Introduced; Ala., Ky., La., Md., Miss., N.C., Okla., S.C., Tenn., Tex., Mexico, West Indies, Central America, South America, introduced also in Asia.

Discussion

Reports of Ipomoea nil from California are based on misidentified material of I. hederacea.

Selected References

None.

Lower Taxa

None.
... more about "Ipomoea nil"
Daniel F. Austin† +
(Linnaeus) Roth +
Convolvulus nil +
Japanese morning glory +
Ala. +, Ky. +, La. +, Md. +, Miss. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +, Mexico +, West Indies +, Central America +, South America +  and introduced also in Asia. +
10–2200 m. +
Abandoned plantings, fields, thickets. +
Flowering Jul–Dec. +
Catal. Bot. +
Weedy +  and Introduced +
Pharbitis hederacea +  and P. nil +
Ipomoea nil +
species +