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 148. Convolvulus schirazianus Boiss., Diagn. Pl. Orient. 11: 82. 1849. (Boissier 1849: 82). Figure 20, t. 15-22 Convolvulus chamaerhacos Bornm., Mitth. Thuering . Bot. Vereins, n.f., 37: 53. 1927. ( Bornmueller 1927 ). Type. IRAN, Mount Kuh-i-Besri, Sultanabad, Strauss s.n. (holotype B). Type. IRAN, Kotschy 379 (holotype G; isotypes BM, C, E, GOET, FI, OXF, P, W). Description. Woody based perennial with deep taproot, usually branched at base with several ascending stems in a loose tuft to c. 35 cm in height, stems and all vegetative parts obscurely to densely appressed pubescent. Leaves sessile, 3 x 0.2-0.3 cm, linear, acute, entire, attenuate at base. Inflorescence of terminal heads, occasionally with a few flowers in the uppermost leaf axil; bracts 6-9 x 1.5-2 mm, lanceolate; peduncles and pedicels absent; bracteoles 7 x 1 mm, linear, acute, often overtopping the head; outer sepals 8-9 x 2.5 mm, ovate, abruptly narrowed around the middle with a long acuminate apex, villous; inner sepals similar but with glabrous margins; corolla 1.7-2.5 cm long, cream, midpetaline bands pilose; ovary pilose; style pilose, divided 7 mm above the base, stigmas 4 mm. Capsule pilose. [ Sa'ad 1967 : 119] Figure 20. 1-7 Convolvulus sericocephalus 1 leaf 2 bract 3 outer sepal 4 middle sepal 5 inner sepal 6 stamen 7 ovary and style. From Yanata & Doych s.n. (LE) 8-14 Convolvulus calvertii 8 leaf 9 bracteole 10 outer sepal 11 middle sepal 12 inner sepal 13 stamen 14 ovary and style. From Calvert & Zohrab s.n. (E) 15-22 Convolvulus schirazianus 15 bracteole 16 outer sepal 17 middle sepal 18 inner sepal 19 stamen 20 ovary and style 21 capsule 22 seed. From Kotschy 379 (W) 23-33 Convolvulus holosericeus 23 leaf 24 bracteole 25 outer sepal 26 middle sepal 27 inner sepal 28 exterior of corolla showing midpetaline bands 29 interior of corolla showing stamens 30 stamen 31 ovary and style 32 capsule 33 seed 23-31 from Sintenis 4082 (JE) 32-33 from Sintenis 4082b (GOET) 34-42 Convolvulus lineatus 34 leaf 35 bracteole 36 outer sepal 37 middle sepal 38 inner sepal 39 stamen 40 ovary and style 41 capsule 42 seed 34-40 from Spencer 17/4/1893 (G) 41-42 from Roux 8/7/1860 (G) 43-51 Convolvulus oleifolius 43 leaves 44 bracteole 45 outer sepal 46 middle sepal 47 inner sepal 48 stamen 49 ovary and style 50 capsule 51 seed 39-49 from Rechinger 7819b (W) 50-51 from Tunta 901 (W). Distribution. Endemic to Iran ( Schmidt 5474, Grant 17704, Stapf 375). Notes. Distinguished from other species with a capitate inflorescence by its narrow, linear leaves and adpressed stem indumentum. The sepals are shorter than in Convolvulus commutatus .