Dietes iridioides (L.) Sweet ex Klatt, Consp. Fl. Afr. 5: 156 1894. (Syn: Dietes iridifolia Salisb.; Ferraria blanda Salisb.; Moraea iridioides L.; Naron iridioides (L.) Moench);
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Ethiopia to S. Africa: Angola, Cape Provinces, Ethiopia, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe as per POWO;
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Dietes iridioides from California-GS08102021-1: 4 high res. images.
Dietes iridioides (L.) Sweet
Common name: Fortnight Lily
The two similar looking species of Dietes can be differentiated as under:
D. grandiflora: Plants up to 1.2 m tall, flowers 8-12 cm across, outer tepals with yellow markings, inner tepals with violet markings, style branches violet in colour.
D. iridioides: Plants up to 60 cm tall, flowers 5-8 cm across, outer tepals with yellow markings, inner tepals without markings, style branches pale violet.
D. iridioides, photographed from near Elizabeth Lake, Fremont, 9-9-2017
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References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI
