Beach clustervine

Vines, perennial. Herbage hairy, hairs stellate, 4–7-armed, arms usually unequal, porrect. Stems multiple, radiating from rootstock, proximally woody, prostrate, reclining, partly twin­ing, or ascending, to 1 m. Leaf blades broadly elliptic, obovate, ovate, or suborbiculate, 10–40 × 5–25 mm, ± fleshy, base cuneate to rounded, apex obtuse to retuse, mucronate. Inflorescences ascending, lax, 1–6-flowered. Flowers: sepals ± equal or unequal, outers broadly obovate, rhombic, or sub­orbiculate, 2.5–4 mm, margins ciliolate, inners reniform or suborbic­ulate, 1.5–2.5 mm, margins often scarious; corolla white or light pink, rotate, 9–15 mm, limb deeply incised, 5-lobed. Capsules subglobose to ovoid, 4–6 mm. Seeds 2.5–3 mm, outer 2 margins winged, wings 0.1–0.2 mm wide, striate, undulating.

Flowering Nov–May. Coastal sand dunes, maritime hammocks; of conservation concern; 0–10 m; Fla.

Jacquemontia reclinata is endemic to coastal sand dunes and hammocks along the eastern shore of south Florida and is federally listed as an endangered species.

Jacquemontia reclinata is in the Center for Plant Con­servation’s National Collection of Endangered Plants.

SELECTED REFERENCE Pinto-Torres, E. and S. Koptur. 2009. Hanging by a coastal strand: Breeding system of a federally endangered morning-glory of the south-eastern Florida coast, Jacquemontia reclinata. Ann. Bot. (Oxford) 104: 1301–1311.