Convolvulus bidrensis Sebsebe, Kew Bull. 54: 67. 1999. (Sebsebe 1999: 67).

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 : 126

97. Convolvulus bidrensis Sebsebe, Kew Bull. 54: 67. 1999. (Sebsebe 1999: 67).

Type.

ETHIOPIA, Gilbert & Sebsebe D. 8640 (holotype ETH; isotype K).

Description.

Perennial herb with numerous prostrate stems to 50 cm from a central woody rootstock, vegetative parts finely adpressed pubescent. Leaves shortly petiolate, 1-3.7 × 0.1-0.5 cm, linear to narrowly oblong, apex apiculate, margin entire, base narrowly cuneate; petioles 1-2 mm. Flowers 1-3, subsessile in shortly pedunculate, axillary, bracteate heads; peduncles 2-5 mm long; bracteoles 7-11 × 1-2 mm, narrowly oblong, glabrous; pedicels 0-1.5 mm; outer sepals 8-10 × 1.5-2 mm, narrowly elliptic, acute; corolla 8-10 mm long, blue with a whitish centre, unlobed, weakly crenate, midpetaline bands thinly pilose; ovary and style glabrous, style divided 4-5 mm above base, stigmas 2 mm, linear. Capsule glabrous; seeds glabrous, tuberculate. [ Sebsebe 2006: 181 (plate)]

Distribution.

Endemic to Ethiopia (Sebsebe 2486); only known from Bidre in Bale floristic region.

Notes.

Perhaps most similar to Convolvulus jefferyi but the base distinctly woody, the leaves linear-oblong and the flowers few, in numerous shortly pedunculate heads.