Jacquemontia havanensis (Jacq.) Urb.
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Authority
Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
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Family
Convolvulaceae
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Scientific Name
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Description
Species Description - Subwoody twining vine to 2 m long, many-branched from base, not producing sap; stems cylindrical, slender, densely to sparsely covered with whitish, stellate hairs. Leaf blades 2.4-5 cm long, nearly coriaceous, lanceolate, ovate to linear, sparsely covered with stellate hairs on both surfaces, the apex obtuse and mucronate, the base truncate to rounded, usually oblique, the margins revolute; petioles slender, 0.6-1.2 cm long, densely covered with stellate hairs. Flowers in axillary, compound cymes shorter than the subtending leaf; peduncle densely stellate. Calyx green, 4-5 mm long, the sepals unequal, puberulent, ovate to oblanceolate, with apiculate apex; corolla thin, funnel-shaped, 1- 1.3 cm long, white, sometimes with pinkish hue along borders, the lobes obtuse, spreading; stamens and pistil white, slightly exserted. Capsule ovoid to ellipsoid, 5-6 mm long, brown, with persistent sepals at base. Seeds 3-angled, 2-2.3 mm long, brown, glabrous, with a marginal, membranous, short wing.
Distribution and Ecology - Uncommon along coastal areas. Chocolate Hole (A2348), Harbor Point (A4077). Also on St. Croix, St. Thomas, Tortola and Virgin Gorda; throughout the West Indies, Florida, and eastern Mexico to Belize.
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Discussion
Convolvulus jamaicensis Jacq., Observ. Bot. 3: 6. 1768. Jacquemontia jamaicensis (Jacq.) Hallier f. in Soler., Syst. Anat. Dicot. 641. 1899.