Ipomoea muricata
Pl. Hort. Schoenbr. 3: 40. 1798.
Annuals. Stems trailing or twining, ± warty or smooth. Leaf blades usually orbiculate to ovate, sometimes cordate or 3–5-lobed, 70–180 × 70–160 mm, base cordate, surfaces glabrous. Peduncles glabrous. Flowers nocturnal; sepals oblong to ovate, 6–8 mm, chartaceous to coriaceous, apex acute, outers each with ± corniform appendage 4–6 mm; corolla white, turning lavender in morning, salverform, limb sometimes ± campanulate, 30–75 mm. Fruits 18–20 mm. 2n = 30.
Phenology: Flowering Nov.
Habitat: Disturbed sites.
Elevation: 0–80 m.
Distribution
Introduced; Ala., Ark., Fla., Ga., La., Miss., Tex., Mexico, introduced also in South America.
Discussion
Ipomoea muricata has been spread as a contaminant in soybean seeds (C. R. Gunn 1970).
The name Ipomoea turbinata Lagasca is illegitimate and has been misapplied to plants of I. muricata (G. W. Staples et al. 2006).
Selected References
None.