Dietes grandiflora N.E.Br.

Leaves 75-100 cm long, 1-2 cm wide, without a prominent midrib. Stem 1-1.5 m tall, sparsely branched. Flowers 6-8 cm wide, white, lasting up to 3 days; outer perianth segments 4.5-6 cm long with a yellow hairy signal patch; inner segments marked brown at base; late spring to summer. Style branches to 2 cm, pale mauve. Fruit capsule 3-4.5 cm long.

S Africa.

Some confusion exists between this species and D. iridioides and hybridisation appears possible.

Source: Cooke, D. (2005). Iridaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Asparagales
family       Iridaceae
genus        Dietes Klatt