Convolvulus scopulatus Thulin, Nordic J. Bot. 23: 629. 2005. (Thulin 2005: 629).

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 : 129

103. Convolvulus scopulatus Thulin, Nordic J. Bot. 23: 629. 2005. (Thulin 2005: 629). Figure 14: 13-20

Type.

SOMALIA, Glover & Gilliland 686 (holotype K!; isotypes BM!, FHO!).

Description.

Slender virgate unarmed shrub of fastigiate habit to 1 m high; young stems glabrous to thinly adpressed pubescent, bluish-grey, rigid and woody when mature. Leaves sessile, usually erect, 1.5-4 × 0.5 mm, linear to narrowly elliptic, acute, glabrous or minutely pubescent. Flowers 1-5 (- 8) in subsessile, bracteate, silky villous heads; peduncles 0.5-3 mm long, bracteoles 3-7 × 1-2 mm, linear-lanceolate, acute, villous; outer sepals 7-9 × 1-1.5 mm, lanceolate to oblong -oblanceolate, acuminate, villous, inner sepals 5-7 mm; corolla 10-12 mm long, pale blue, unlobed, midpetaline bands pilose; ovary glabrous; stigma narrowly elliptic. Capsule glabrous; seeds 1, glabrous, smooth. [ Thulin 2006: 235]

Distribution.

Northern Somalia (Gillett & Watson 23869); Yemen: Hadramaut (Rauh & Lavranos 13262, Thulin et al. 8067, 8207, Miller et al. 8142). Coastal desert.

Notes.

The type collection virtually lacks leaves. The Somalia plants and Miller at al. 8142 from Yemen have glabrous stems whereas the stems are thinly adpressed-pubescent in the other Yemen collections.