From Romulus, the legendary founder of Rome.
Perennial herbs, dormant in summer. Corms globose with smooth brown tunics. Leaves narrow-linear. Stem much shorter than leaves, or absent. Spathes green, 1 flowered on slender leafless stalks. Perianth tube short; lobes equal. Stamens erect in centre of flower. Style branches each divided into two thread-like arms.
Southern Africa, extending to Mediterranean Europe.
Seed.
Star-shaped flowers close to ground, closing at night; thread-like leaves.
de Vos (1972).
Source: (2005). Iridaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.