Merremia dissecta

(Jacquin) Hallier f.

Bot. Jahrb. Syst. 16: 552. 1893. (as disecta)

Common names: Alamo vine noyau vine
Illustrated
Basionym: Convolvulus dissectus Jacquin Observ. Bot. 2: 4, plate 28. 1767
Synonyms: Ipomoea sinuata Ortega Operculina dissecta (Jacquin) House
Treatment appears in FNA Volume 14.

Stems sparsely hirsute or gla­brous. Leaf blades ± polygo­nal, palmately (5–)7(–9)-lobed, 40–70 × 40–100 mm; lobes ± lance-elliptic, margins usually irregularly pinnati-sinuate, sometimes crenate or dentate, surfaces usually glabrous, sometimes sparsely hairy. Inflorescences: flowers usually solitary, rarely 2–3+-flowered cymes. Flowers: sepals oblong, 18–25 mm, apex mucronate, abaxial surface glabrous; corolla white with purplish throat, 30–45 mm. 2n = 32 (Asia).


Phenology: Flowering Apr–Nov.
Habitat: Disturbed or open sites, road­sides.
Elevation: 0–700 m.

Distribution

Fla., Ga., Tex., Mexico, West Indies, Central America, South America, introduced in Asia, Africa, Australia.

Discussion

Merremia dissecta has been reported from Alabama, Arizona, Louisiana, Mississippi, and Pennsylvania based on single records and/or cultivated plants; it is apparently not established in those states.

Selected References

None.

Lower Taxa

None.
... more about "Merremia dissecta"
Daniel F. Austin† +
(Jacquin) Hallier f. +
Convolvulus dissectus +
Alamo vine +  and noyau vine +
Fla. +, Ga. +, Tex. +, Mexico +, West Indies +, Central America +, South America +, introduced in Asia +, Africa +  and Australia. +
0–700 m. +
Disturbed or open sites, roadsides. +
Flowering Apr–Nov. +
Bot. Jahrb. Syst. +
Illustrated +
Ipomoea sinuata +  and Operculina dissecta +
Merremia dissecta +
Merremia +
species +