Merremia tuberosa

(Linnaeus) Rendle in D. Oliver et al.

Fl. Trop. Afr. 4(2): 104. 1905.

Introduced
Basionym: Ipomoea tuberosa Linnaeus Sp. Pl. 1: 160. 1753
Synonyms: Operculina tuberosa (Linnaeus) Meisner
Treatment appears in FNA Volume 14.

Stems glabrous. Leaf blades broadly ovate to rounded, palmately (5–)7-lobed, 80–150 × 80–150 mm; lobes lanceolate to elliptic, margins entire, surfaces glabrous. Inflorescences usually 4–8-flowered cymes, flowers rarely solitary. Flowers: sepals oblong, outers 25–30 mm, apex obtuse, mucro­nulate, inners 12–20 mm, apex acute, abaxial surface glabrous; corolla yellow, 50–60 mm.


Phenology: Flowering Nov–Mar.
Habitat: Fields, hammocks, pinelands.
Elevation: 0–10 m.

Distribution

Introduced; Fla., Mexico, Central America, introduced also in West Indies, South America, Old World subtropics and tropics.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Merremia tuberosa"
Daniel F. Austin† +
(Linnaeus) Rendle in D. Oliver et al. +
Ipomoea tuberosa +
Fla. +, Mexico +, Central America +, introduced also in West Indies +, South America +  and Old World subtropics and tropics. +
0–10 m. +
Fields, hammocks, pinelands. +
Flowering Nov–Mar. +
Fl. Trop. Afr. +
Introduced +
Operculina tuberosa +
Merremia tuberosa +
Merremia +
species +