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 47. Convolvulus schulzei O'Donell , Lilloa 26: 360, f. 3. 1953. ( O'Donell 1953: 360). Type. ARGENTINA, Chaco, Schulz 3556 (holotype LIL!). Description. Finely pubescent trailing or twining herb from a thick rootstock, stems up to 1 m long. Leaves petiolate, 1-5 x 0.5-2 cm, ovate-deltoid, auriculate, apex obtuse and mucronate, margin weakly crenate, base cordate; petioles 3-13 mm. Flowers 1-4 in axillary, pedunculate cymes; peduncles 1-3 (-8.5) cm; bracteoles 1.5-2.5 mm, narrowly ovate; pedicels 5-15 mm; outer sepals 4-6 x 4-5 mm, broadly elliptic to obovate, obtuse, inner sepals truncate; corolla 0.7-0.8 cm long, pale pink, shallowly lobed, midpetaline bands pilose in the upper half terminating in small teeth; ovary glabrous, acuminate; style glabrous, divided 3.5-4 mm above base; stigmas 1.5 mm. Capsule glabrous; seeds strongly tuberculate. [ O'Donell 1959 : 291] Distribution. Endemic to Argentina: Corrientes and Chaco ( Pedersen 4418). Notes. A local endemic with a small corolla growing on sand deposits in river valleys.