Dietes iridioides (L.) Sweet ex Klatt

Consp. Fl. Afric. 5: 156 (1895) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Sparingly established

Herbs 30–60 cm high. Leaves 25–60 cm long, 5–25 mm wide. Inflorescence irregularly branching; stem bracts 25–30 mm long. Primary bracts 35–55 mm long. Flowers white or cream with prominent yellow marking and smaller orange to brown markings basally on the outer tepals. Tepals elliptic to spathulate, spreading to recurved; outer tepals 24–35 mm long, bearded on midvein. Staminal filaments free or united basally. Ovary 8–15 mm long; style branches 7–9 mm long, blue, crests c. 5 mm long. Capsule ovoid-cylindric, 35–45 mm long, 12–15 mm wide, usually shortly rostrate. Seeds in 2 rows of each capsule chamber, more or less triangular, c. 4 mm long, 2–3 mm thick, brown, 50–100 per capsule. Flowers Oct.–Feb.

*GipP, *Strz. Widely grown as an ornamental, sometimes escaping from old gardens. Noted as spontaneous in near-coastal woodland near Merricks on the Mornington Peninsula.

Dietes iridioides is capable of reproduce asexually via stolons produced in old inflorescences that bear leaves and eventually root.

Created by: Andre Messina, 2014-10-21
Updated by: Neville Walsh, 2015-03-16
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Iridaceae
genus Dietes
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Dietes iridioides in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Dietes iridioides in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present introduced
Strzelecki Ranges present introduced

State distribution

Distribution map
New South Wales