Convolvulus bullerianus Rendle, J. Bot. 39: 62. 1901. (Rendle 1901: 62).

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 : 83-84

41. Convolvulus bullerianus Rendle, J. Bot. 39: 62. 1901. (Rendle 1901: 62).

Type.

SOUTH AFRICA, KwaZulu-Natal, Mooi River, J. Medley-Wood [J.M. Wood] 6206 (holotype BM000930467!; isotype PRE).

Description.

Perennial herb, shortly pilose with stiff spreading hairs in all vegetative parts; rootstock not known; stems to at least 80 cm, apparently trailing. Leaves petiolate, very narrowly hastate, the central lobe 2 -5 × 0.2-0.4 cm, linear-lanceolate, basal auricles 3 -4 mm long, bifid, apex acute to apiculate, margin entire; petioles 5-16 mm. Flowers axillary, pedunculate, 1 (-2), peduncles 3-5.5 cm; bracteoles 6-10 mm, linear; pedicels 3-8 mm, noticeably more densely hirsute than peduncles; outer sepals 14 -18 × 8 mm, ovate, long acuminate, margin undulate, inner sepals distinctly shorter; corolla 25-30 mm, yellow-green, deeply lobed, the lobes triangular, acuminate, c. 10 mm long, the midpetaline bands densely pilose, terminating in the apex of the lobes; ovary glabrous, style glabrous, divided 6-10 mm above base, stigmas 3-5 mm.

Distribution.

South Africa: KwaZulu-Natal (Wood 4071, 4382; Johnston 191, 778) and Eastern Cape (Bester 1479).

Notes.

Included by Meeuse (1958) in Convolvulus natalensis but distinct in its leaves, profoundly lobed corolla and long acuminate sepals.