Convolvulus boissieri Steud., Nomencl. Bot., ed. 2, 1: 407. 1840. (Steudel 1840: 407).

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 : 165

154. Convolvulus boissieri Steud., Nomencl. Bot., ed. 2, 1: 407. 1840. (Steudel 1840: 407).

Convolvulus nitidus Boiss., Elench. Pl. Nov. 65. 1838, nom. illeg., non Convolvulus nitidus Desr. (1792). ( Boissier 1838: 65). Type. SPAIN, Sierra Nevada, Boissier s.n. (holotype G; isotypes C, E!, G, GOET, HAL, JE, K!, L, W!).

Type.

Based on Convolvulus nitidus Boiss.

Description.

Cushion-forming undershrub, stems short, spreading, the bases covered in leaf remains; vegetative parts silvery-sericeous. Leaves sessile, 0.3-2 × 0.2-0.6 cm, obovate to oblanceolate, obtuse or acute, entire, cuneate to a broad base, the venation very prominent, especially below. Flowers usually solitary, terminal or axillary; peduncle 1-3 mm long; bracteoles 4-8 × 0.5-1 mm, linear; pedicels 1-3 mm; sepals 7-10 × 2-3 mm, oblong-lanceolate with caudate apex, base membranous, apex pilose, inner sepals oblong-ovate with membranous margins; corolla 1.7-2.1 cm long, pink, weakly lobed, midpetaline bands darker, pilose; ovary sericeous; style sericeous, divided 3-4 mm above the ovary, stigmas c. 4 mm. Capsule hirsute; seeds glabrous, smooth. [ Sa’ad 1967: 138; Silvestre 2012: 264, 263 (plate]

Notes.

Divisable into two, geographical disjunct but morphologically similar subspecies: