1.
Convolvulus sabatius subsp. sabatius subsp. sabatius
2.
Convolvulus sabatius subsp. mauritanicus Murbeck 1923
3.
Convolvulus sabatius Viviani 1823
Convolvulus sabatius Viviani 1824
Figure 11 from: Wood JRI, Williams BRM, Mitchell TC, Carine MA, Harris DJ, Scotland RW (2015) A foundation monograph of Convolvulus L. (Convolvulaceae). PhytoKeys 51: 1-278. https:...