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
7.
Convolvulus fatmensis Kunze, Flora 23(1): 172. 1840. (Kunze 1840: 172).
Figure 3, t. 40-48.
Convolvulus amblycalyx
Steud., Nomencl. Bot., ed.2 1: 407. 1840, illegitimate superfluous name for
Convolvulus fatmensis
Kunze (
Steudel 1840
: 407).
Type.
SAUDI ARABIA, Wadi Fatma,
G. W.Schimper
839 (lectotype LZ, designated by
Sa'ad
1967
: 226); isolectotypes GOET, HBG, JE, L, LE!, OXF!, P!, W!).
Description.
Perennial (possibly sometimes annual) herb with trailing stems to at least 50 cm from a slender central tap root; stems glabrescent to pubescent. Leaves petiolate, 1.2-4.5
x
0.6-4 cm, ovate-deltoid, apex obtuse, margin sinuate, base auriculate and cordate; petioles 0.5-3.5 cm. Flowers 1(-3) borne on axillary peduncles; peduncles 7-30 mm, commonly recurved in fruit; bracteoles 2 mm, filiform; pedicels 3-5 mm; outer sepals 3-5
x
3-4 mm, obovate, rounded, glabrous, slightly concave; inner sepals slightly narrower, 2.5-3 mm wide; corolla 0.9-1.3 cm long, pink, distinctly lobed, midpetaline bands brownish, thinly pubescent; filaments glandular below; ovary glabrous; style glabrous, divided c. 2 mm above base, stigmas 1 mm. Capsule glabrous, strongly exserted from the sepals, recurved in fruit; seeds glabrous, smooth (not rugulose as stated by
Sa'ad
,1967: 226). [
Sa'ad
1967
: 226;
Feinbrun-Dothan 1978
(plate 67);
Collenette 1999
: 229 (photo)]
Distribution.
A widespread Sahara-Sindian species, generally uncommon and very scattered in occurrence but most frequent in Egypt; usually a weed of sandy fields.
"Mauretania"
(
Chudeau
s.n. [10/2/1911]); Morocco (
Maire
781); Algeria: Ahaggar (
Maire
857); Tunisia (
Cosson
s.n. [22/5/1858]); Libya (
Guichard
KG/LIB/121); Egypt (
Abd El Ghani
5994,
Kralik
168); Sudan (
El Din
1,
Colston
257); Saudi Arabia (
Collenette
1753, 7903;
Fischer
20,
Mandaville
2884); Yemen (
Wood
2059); Oman (
Radcliffe-Smith
4133); Palestine/Israel (fide
Feinbrun-Dothan 1978
: 42); Lebanon (?); Iran (
Popov
51/11).
Notes.
Very distinct species with sinuate leaves and pink, lobed corolla borne on a recurved peduncle. The leaves are sometimes exceptionally small.