Romulea is a genus in the Iridaceae family of about 90 species that is found both in South Africa and in Europe. Rootstock is a corm, globose, bell shaped to top shaped, compressed or asymmetric with a circular to crescent shaped basal ridge. This genus has flowers reminiscent of Crocus. Many are quite striking, especially the South African species and there is a great variation in colour and markings of the flowers. They are easy to grow in pots and many are easy from seed, flowering rather quickly in some cases.

Romulea sladenii is a rare South African endemic species from the Western Cape Province where it can be found in Fynbos growing in moist areas on rocky sandstone pavements on the Gifberg plateau. It grows from 7cm to 9cm tall. During spring it bears white and yellow flowers.