Dietes grandiflora
Dietes grandiflora (large wild iris, fairy iris) is a rhizomatous perennial plant with long, rigid, sword-like green leaves belonging to the Iridaceae family. This species is common in horticulture in its native South Africa, where it is often used in public gardens, beautification of commercial premises and along roadsides.
The blooms are white marked with yellow and violet. Dark markings are found at the base of the outer tepals.