Perennials. Stems twining, usu­ally prickly, sometimes root­ing at nodes. Leaf blades broadly ovate to triangular or 3–5-lobed, 50–150 × 50–150 mm, base cor­date, surfaces usually gla­brous, rarely hairy. Peduncles glabrous. Flowers noc­turnal; sepals ovate, 7–15 mm, ± coriaceous, apex acute, outers each with midrib extending as ± corniform appendage; corolla white, throat green-banded inside, salverform, 70–150 mm. Fruits 20–30 mm. 2n = 30.

Phenology: Flowering Sep–May.
Habitat: Forest margins, swamps, moist sites.
Elevation: 0–100 m.

Distribution

• Generated Map
• Legacy Map

Introduced; Fla., La., S.C., Tex., Mexico, West Indies, Central America, South America, introduced also in Asia.

Discussion

Selected References

None.

Lower Taxa

None.