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.