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 5a. Convolvulus chinensis subsp. chinensis Convolvulus bicuspidatus Fisch. ex Link, Enum. Hort. Berol. 1: 201. 1821. ( Link 1821 : 201). Type. RUSSIA, Siberia, "Dahurica" , Fischer s.n. (B†). Convolvulus arvensis var. sagittatus Ledeb., Fl. Altaic. [Ledebour] 1: 225. 1829. ( Ledebour 1829 : 225). Type. RUSSIA, based partially on Fischer specimen (?LE).cited in Cat. Hort. Gorenk. 28. ( Fischer 1808 ). Convolvulus arvensis var. crassifolius Choisy, Prodr. [A.P. de Candolle] 9: 406. 1845. ( Choisy 1845 : 406). Type. MONGOLIA, Meyer & Turczaninov (lectotype G-DC, designated by Sa'ad 1967 : 218). Convolvulus sagittifolius Fisch. ex T.Liou & Y.Ling, Fl. Ill. Nord Chine 1: 17. 1931, nom. illeg., non Convolvulus sagittifolius Michx. (1803). ( Liou and Ling 1931 : 17). Type. Based on Fischer specimen (?LE); cited in Cat. Hort. Gorenk. 28. ( Fischer 1808 ). Convolvolus fischerianus Petrov, Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol., n.s., 44: 147. 1935. ( Petrov 1935 : 147). Type. not specified, possibly Fischer s.n. (LE, not seen). Distinguishing features. Distinguished by the decumbent habit and distinctive strap-shaped leaves, the central lobe elongated. Distribution. Very common in northern China, Mongolia and Siberia becoming rare in Kazakhstan, where it is largely replaced by Convolvulus arvensis . Russia: Siberia ( Elias, Shetler & Murray 7606, Turkewitsch 1043, Kuznezow 2709, Timokhina & Danilyuk 1249, Shiskin 332, Castroviejo 14317); Mongolia ( Pobedimova 1323, Campbell 1901); Northern China ( David 1851, Chaffanjon 1662, Rock 14359, Ho et al . 120, R. C. Ching 171, Williams 10515, Licent 120, Petrov s.n. [25/6/1957]); Kazakhstan ( Tsvelev et al. 777).