Convolvulus capituliferus subsp. capituliferus

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 : 123-124

94a. Convolvulus capituliferus subsp. capituliferus

Convolvulus littoralis Vatke, Linnaea 43: 519. 1882. ( Vatke 1882: 519). Type. SOMALIA, Las Khoreh, Hildebrandt 865b (holotype B†).

Convolvulus capituliferus var. suberectus Franchet, Sert Somal. 41. 1882. ( Franchet 1882: 41). Type. SOMALIA, without precise location, Franchet s.n. (holotype P00434258!).

Convolvulus sphaerophorus Baker, Bull. Misc. Inform. Kew 1895: 221. 1895. (Baker 1895: 221). Type. SOMALIA, foot of Golis Range, Edith Cole s.n. (holotype K).

Distinguishing features.

The type variety has small leaves and bracts 0.5-1.5 cm long, equalling or only slightly exceeding the flower heads. The corollas are only 7-8 mm long.

Distribution.

Apparently restricted to Somalia and Djibouti, where it is the common variety (Thulin et al. 9233, Glover & Gilliland 705, Hemming 1848, Collenette 146). Records from Ethiopia require confirmation.