Convolvulus durandoi Pomel, Nouv. Mat. Fl. Atl. 85. 1874. (Pomel 1874: 85).

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 : 48-49

3. Convolvulus durandoi Pomel, Nouv. Mat. Fl. Atl. 85. 1874. (Pomel 1874: 85). Figure 3, t. 10-18

Type.

ALGERIA, Durando s.n. (holotype MPU004911!, possibly divided with AL; isotype MPU004912, P00417697!).

Description.

Glabrous, trailing perennial herb, the stems angular, reaching at least 75 cm. Leaves petiolate, 1.2-3 × 1-2.2 cm. ovate, apex acute to more or less rounded and mucronate, margin entire, base truncate (below) or cordate (above), the auricles small, triangular-acute, venation reticulate; petioles 1-2.5 cm. Flowers axillary, pedunculate, solitary; peduncles 3-9 cm, commonly flexuose in bud; bracteoles 3-9 × 0.25-0.5 mm, linear-oblanceolate; pedicels 0.5-3.5 cm; outer sepals 4-5 × 2.5-3 mm, spathulate, the apex abruptly widened above the oblong base, rounded, sparsely ciliate, commonly reflexed; inner sepals 5-6 × 2.5-3 mm, similar in shape but apex emarginate and not reflexed; corolla 1.7-2.3 cm long, pink, weakly lobed, midpetaline bands glabrous; filaments glandular below; ovary conical, glabrous; style glabrous, divided 5-6 mm above the base, stigmas 5-6 mm. Capsule glabrous, style persistent; seeds slightly rugose. [ Sa’ad 1967: 224]

Distribution.

Restricted to the Magreb of northwestern Africa: Algeria (Maire 5944, Gay 2792, Battandier 3823); Tunisia (Simpson 38395); Morocco (?).

Notes.

A very distinctive species because of its reflexed spathulate sepals and unusual ovate, truncate, reticulate-veined leaves.