Convolvulus maireanus Pamp., Arch. Bot. ( Forli ) 12: 178. 1936. (Pampanini 1936b: 178).

Wood, John R. I., Williams, Bethany R. M., Mitchell, Thomas C., Carine, Mark A., Harris, David J. & Scotland, Robert W., 2015, A foundation monograph of Convolvulus L. (Convolvulaceae), PhytoKeys 51, pp. 1-282 : 107

73. Convolvulus maireanus Pamp., Arch. Bot. ( Forli) 12: 178. 1936. (Pampanini 1936b: 178). Figure 10, t. 31-36

Type.

LIBYA, Cyrenaica, "Messe a ovesti di Cirene Sfonta-Ruheina, 8 Mag 1934," Pampanini & Pichi-Sermolli 6207 (syntype FI)

Description.

Perennial trailing, scrambling or twining herb with puberulent, sharply 4-angled to weakly winged stems of "a considerable height", presumably 1-2 m. Leaves petiolate, somewhat dimorphic, 2.5-7 × 2-5.5 cm, younger leaves ovate, apex acute to obtuse, margin undulate to irregularly dentate with some large teeth, base cordate and briefly cuneate with a broad right-angled sinus, minutely adpressed pubescent; mature leaves more deltoid, deeply lobed with acute segments in the lower part, strongly auriculate; petioles 0.5-2 cm, puberulent. Flowers in a terminal cluster of up to 7 at the apex of a long axillary peduncle; peduncles 8-22 cm, pubescent; bracteoles filiform to linear, 4-8 mm, pubescent; pedicels 3-8 mm, pubescent; outer sepals 8-9 × 5-6 cm, broadly obovate-elliptic, mucronate, pubescent; inner sepals 4-5 cm wide,less hirsute and with scarious margins; corolla 2.8-4.5 cm, white with purplish throat, unlobed, basal tube narrow, midpetaline bands thinly adpressed pubescent; filaments glandular; ovary pilose; style divided c. 9 mm above base; stigmas 2 or 3, 2 mm long, rather stout. Capsule and seeds not seen. [ Sa’ad 1967: 234]

Distribution.

Libya: Cyrenaica (Sandwith 2625, Park 506, Pampannini & Pichi-Sermolli 6206).

Notes.

A remarkable species with flowers clustered at the apex of a very long peduncle. The stigmas are short and stout and commonly 3 in number.