A foundation monograph of Convolvulus L. (Convolvulaceae) Author Wood, John R. I. Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK & Honorary Research Associate, Royal Botanic Gardens, Kew Author Williams, Bethany R. M. Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK & Department of Life Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, UK Author Mitchell, Thomas C. Plant Biodiversity Research, Technische Universitaet Muenchen, Maximus-von-Imhof Forum 2, 85354 Freising, Germany Author Carine, Mark A. Department of Life Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, UK Author Harris, David J. https://orcid.org/0000-0002-6801-2484 Royal Botanic Garden Edinburgh, 20 A Inverleith Row, Edinburgh EH 3 5 LR, UK Author Scotland, Robert W. Department of Plant Sciences, South Parks Road, University of Oxford, OX 1 3 RB, UK robert.scotland@plants.ox.ac.uk text PhytoKeys 2015 2015-06-18 51 1 282 http://dx.doi.org/10.3897/phytokeys.51.7104 journal article http://dx.doi.org/10.3897/phytokeys.51.7104 1314-2003-51-1 E76E3938E216FF804849B803C469FE14 576310 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 x 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 x 0.5-1 mm, linear; pedicels 1-3 mm; sepals 7-10 x 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: