Convolvulus dorycnium L., Syst. Nat. ed. 10, 2: 923. 1759. (Linnaeus 1759: 923).

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 : 176

167. Convolvulus dorycnium L., Syst. Nat. ed. 10, 2: 923. 1759. (Linnaeus 1759: 923).

Type.

“Oriente,” Hasselquist s.n. (lectotype LINN 218.50, designated by Sa’ad 1967: 90).

Description.

Erect, perennial, much-branched undershrub from a woody rootstock to 1 m, the branches rigid and woody, adpressed pubescent. Leaves sessile, 1.5-6 × 0.2-2 cm, narrowly oblong to narrowly oblanceolate, acute, entire, attenuate at base, villous, the stem leaves smaller than those at the base. Flowers in a large, nearly leafless, branched terminal inflorescence composed of axillary cymes of 1-3(-7)-flowered diachasial cymes, the flowers appearing solitary; branches stout and woody; bracteoles 2-3 mm, linear; pedicels 0-4 mm; sepals 2.5-5 × 2-5 mm, very variable in form, oblong-elliptic to obovate, acuminate to emarginate and mucronate, adpressed pubescent, the inner sepals broader than the outer sepals; corolla 1.2-1.7 cm, pink (very rarely pure white), the midpetaline bands pilose; ovary glabrous, style glabrous, divided c. 5 mm above base, often persistent in fruit, stigmas c. 3 mm; capsule glabrous, seeds subglobose, puberulent. [ Sa’ad 1967: 90; Meikle 1985: 1166; Siddiqi 1977: 13 (Figure 5); Strid and Strid 2010: 2-3 (plate)]

Notes.

We recognise three subspecies but intermediates are quite frequently found: Reino Alava 6986 from Turkey, for example, is intermediate between subsp. dorycnium and subsp. oxysepalus .