Convolvulus equitans var. lindheimeri J.R.I.Wood & R.W.Scotland, 2015

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

42b. Convolvulus equitans var. lindheimeri J.R.I.Wood & R.W.Scotland var. nov.

Diagnosis.

A var, typo floribus grandioribus, sepalis 11 - 12 mm longis, corolla 2.5-3 cm longa, plerumque alba, in centro atropurpurea.

Convolvulus sagittifolius Scheele (1849: 747), nom illeg., non Convolvulus sagittifolius Michx. (1803).

Type. Texas, “Neubraunfels”, Lindheimer s.n. (B†).

Type.

UNITED STATES OF AMERICA, Texas, New Braunfels, F. Lindheim er, fasc. IV No. 469 (holotype K; isotypes BM, FHO, LE, P, W).

Distinguishing features.

Distinguished by it is larger flowers; sepals 11-12 mm long; corolla 2.5-3 cm long, usually white but often with a dark centre.

Distribution.

United States, Texas: widely distributed but not common in at least seven Texan counties (Lindheimer fasc. 3: 469, Siedo 447, Logan Smith 774, Hutchins 1035).

Notes.

Intermediates with var. equitans occur and var. lindheimeri may have arisen as a result of hybridisation between Convolvulus carrii and Convolvulus equitans although it is not sympatric with Convolvulus carrii .