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(Last Modified On 5/31/2013)
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(Last Modified On 5/31/2013)
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Species
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Ipomoea stolonifera (Cyrill.) Gmelin
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PlaceOfPublication
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Syst. Nat., ed. 13. 2: 345. 1791.
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Synonym
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Convolvulus littoralis L., Syst. Nat., ed. 10. 924. 1759. TYPE: Based on Convolvulus foliis obtusis.... Plumier, P1. Amer. 79, t. 90, f. 2. 1756. Convolvulus stoloniferus Cyrill., P1. Rar. Neap. 1: 14, t. 5. 1788. Ipomoea littoralis Boiss., Fl. Orient. 4: 112. 1879, non Blume (1826).
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Description
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Vines; stems trailing and rooting at the nodes, perennial, glabrous. Leaves variable in shape, often linear, lanceolate, ovate to oblong and the margins entire or undulate all on the same plant, 1.5-4(-8) cm long, the size varying greatly with habitat, basally obtuse, truncate to cordate, apically obtuse, emar- ginate or occasionally 2-lobed, glabrous. Flowers usually solitary in leaf axils; sepals oblong, the inner sepals 10-15 mm long, the outer sepals shorter, acute to obtuse, mucronulate, glabrous, subcoriaceous; corollas with the limb white, the throat apically yellow and basally purple, 3.5-5 cm long. Fruits capsular, globular, rarely ovoid, 10 mm in diameter; seeds light brown, short-tomentose and with longer comose trichomes on the margins.
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Habit
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Vines
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Note
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This species flowers from December to April.
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Distribution
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pantropical, but it occurs mostly in Atlantic coastal areas.
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Note
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The white flower with the yellow throat apex and purple throat base is distinctive.
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Specimen
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BOCAS DEL TORO: Changuinola Valley, Dunlap 537 (F, US). Bocas del Toro, Carleton 159 (US). CANAL ZONE: Galeta Island, D'Arcy s.n. (MO). Chagres, Fendler 240 (F, MO, US). Shady beach area, Coco Solo, Gentry 4851 (MO). VERAGUAS: Mouth of Rio Concepcion, Lewis et al. 2763 (MO).
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