Convolvulus carrii B.L.Turner, Phytologia 91: 394. 2009. (Turner 2009: 394).

Wood, John R. I., Williams, Bethany R. M., Mitchell, Thomas C., Carine, Mark A., Harris, David J. & Scotland, Robert W., 2015, A foundation monograph of Convolvulus L. (Convolvulaceae), PhytoKeys 51, pp. 1-282 : 86

43. Convolvulus carrii B.L.Turner, Phytologia 91: 394. 2009. (Turner 2009: 394). Figure 8, t. 17-24

Type.

UNITED STATES OF AMERICA, Texas, B.L. Turner & Jana Kos 09-03 (holotype TEX; isotype OXF!).

Description.

Trailing or twining herb with stems at least 60 cm long from a central rootstock, the vegetative parts densely pubescent to whitish-tomentellous. Leaves petiolate, 2-5 × 1.3-3 cm, ovate-deltoid to broadly oblong, obtuse or acute, margin undulate to incised-dentate, base shallowly cordate and cuneate onto the petiole, auricles simples or toothed, veins very prominent on lower surface; petioles 1-2.5 cm. Flowers 1(-2) borne on long axillary peduncles; peduncles 3-5 cm, often bent at apex; bracteoles 1-2 mm, minute, linear-lanceolate; pedicels 3-14 mm; sepals 9-12 × 5 mm, broadly oblong, apex rounded to emarginate and mucronate, base truncate to somewhat auriculate; corolla 2.5-3 cm long, white, usually with a maroon centre, unlobed, midpetaline bands pilose, terminating in a tooth; ovary glabrous; style divided c. 8-10 mm above base, glabrous or, just below the stigmas, pubescent; stigmas 2 mm, weakly exserted. Capsule glabrous; seeds glabrous, smooth, black. [ Turner 2009: 398-9, figs 1-3]

Distribution.

Endemic to Texas in the United States of America: restricted to Holocene sands in Brooks and Hidalgo Counties (Carr 26646, Correll & Correll 38844).

Notes.

A recently described species which requires further study. It may prove only to be an unusually distinct form of Convolvulus equitans .