Romulea pearsonii

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

11. Veins of the outer bract all equally thick; flowers yellow .................................................. 19. R. pearsonii

11’. Central vein of the outer bract thicker than others; flowers magenta or white ........................................ 12