Convolvulus supinus Cosson & Kralik (1857: 400)

Carine, Mark A. & Robba, Lavinia, 2010, Taxonomy and evolution of the Convolvulus sabatius complex (Convolvulaceae), Phytotaxa 14, pp. 1-21 : 14

2. Convolvulus supinus Cosson & Kralik (1857: 400) .

Lectotype (designated by Sa’ad, 1967): ALGERIA. Oran: Ain Sefra, S.W. prov., Bourgeau 60 (P!, duplicated C, E, GOET, W)

Stems with either long appressed hairs or a prominent double indumentum comprising long appressed hairs and shorter erect hairs. Leaves with petioles 1–2 mm long; lamina ovate, oblong, deltoid or elliptic; base cuneate, trunctate or rarely attenuate; apices acute or obtuse. Flowers in 1–2(–3)-flowered axillary cymes. Peduncles 15–35 mm long at anthesis. Pedicels 3–30 mm long. Bracteoles lanceolate, 4.5–10(–15) mm long × 0.5–1(–1.5) mm wide, densely villous. Calyx lobes ovate, elliptic or obovate, unequal, 8–11(–12) mm long × 2.5–4.5 mm wide; apices acute, attenuate; villous. Corolla 20–30(–35) mm long, yellow. Stamens with filaments 9–10 mm long on the shorter three, 11–15 mm long on the longer pair; usually glandular pubescent for bottom ½–¾ of total length or rarely glabrous; anthers 2.5–3.5 mm long on the longer filaments, 2–3 mm long on the shorter filaments. Ovary narrowly conical to spheroidal, 1–1.5 mm long, glabrous or long-hairy towards the apex. Style 6.5– 10 mm long. Stigma lobes 4–5 mm long, much shorter than the style.