Romulea barkerae

Manning, John C. & Goldblatt, Peter, 2001, the Arabian Peninsula and Socotra including new species, biological notes, and a new infrageneric classification, Adansonia (3) 23 (1), pp. 59-108 : 70

7. Flowers white with large black blotches usually bordered by a yellow margin in the throat; leaves widely 2-grooved and T-shaped in section .................................................................................... 28. R. barkerae

7’. Flowers without dark blotches; leaves 4-grooved ...................................................................................... 8