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
3.
Convolvulus durandoi Pomel, Nouv. Mat. Fl. Atl. 85. 1874. (Pomel 1874: 85).
Figure 3, t. 10-18
Type.
ALGERIA,
Durando
s.n. (holotype MPU004911!, possibly divided with AL; isotype MPU004912, P00417697!).
Description.
Glabrous, trailing perennial herb, the stems angular, reaching at least 75 cm. Leaves petiolate, 1.2-3
x
1-2.2 cm. ovate, apex acute to more or less rounded and mucronate, margin entire, base truncate (below) or cordate (above), the auricles small, triangular-acute, venation reticulate; petioles 1-2.5 cm. Flowers axillary, pedunculate, solitary; peduncles 3-9 cm, commonly flexuose in bud; bracteoles 3-9
x
0.25-0.5 mm, linear-oblanceolate; pedicels 0.5-3.5 cm; outer sepals 4-5
x
2.5-3 mm,
spathulate
, the apex abruptly widened above the oblong base, rounded, sparsely ciliate, commonly reflexed; inner sepals 5-6
x
2.5-3 mm, similar in shape but apex emarginate and not reflexed; corolla 1.7-2.3 cm long, pink, weakly lobed, midpetaline bands glabrous; filaments glandular below; ovary conical, glabrous; style glabrous, divided 5-6 mm above the base, stigmas 5-6 mm. Capsule glabrous, style persistent; seeds slightly rugose. [
Sa'ad
1967
: 224]
Distribution.
Restricted to the Magreb of northwestern Africa: Algeria (
Maire
5944,
Gay
2792,
Battandier
3823); Tunisia (
Simpson
38395); Morocco (?).
Notes.
A very distinctive species because of its reflexed spathulate sepals and unusual ovate, truncate, reticulate-veined leaves.