Convolvulus vollesenii Sebsebe, Kew Bull. 54: 69. 1999. (Sebsebe 1999: 69).

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

98. Convolvulus vollesenii Sebsebe, Kew Bull. 54: 69. 1999. (Sebsebe 1999: 69).

Type.

ETHIOPIA, Sidamo et al. 8236 (holotype ETH; isotype K!).

Description.

Perennial herb with prostrate stems to 40 cm, vegetative parts covered in adpressed silvery hairs. Leaves shortly petiolate, 1-2.5 × 0.3-0.6 cm, linear-oblong, acute, margin entire, base more or less truncate; petioles 1-1.5 mm. Flowers 1-2, subsessile in shortly pedunculate, axillary bracteolate heads; peduncles 0-2.5(-5) mm, bracteoles 6-9 × 1.5-2 mm, lanceolate; outer sepals 8-9 × 2.5-4 mm, ovate, shortly acuminate; corolla 9-12 mm, blue, very shallowly lobed, midpetaline bands pilose; ovary glabrous, style glabrous, divided c. 3 mm above base; stigmas c. 2 mm, linear. Capsule glabrous; seeds glabrous, tuberculate. [ Sebsebe 2006: 182 (plate)]

Distribution.

Ethiopia (Bidgood et al. 4980, Gilbert & Sebsebe 8661).

Notes.

Similar to Convolvulus bidrensis but differing in the indumentum, cuneate leaf bases and peduncles 2-5 mm long.