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Dietes grandiflora

Dietes grandiflora, Photo: Michael Lahanas

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Iridaceae
Subfamilia: Iridoideae
Tribus: Irideae
Genus: Dietes
Species: Dietes grandiflora
Name

Dietes grandiflora N.E.Br., J. Linn. Soc., Bot. 48: 35 (1928)
Distribution
Native distribution areas:

Africa
Southern Africa
Cape Provinces, KwaZulu-Natal.
Introduced into:
Mauritius, Mexico Southwest, Rodrigues, St.Helena, Western Australia

Dietes grandiflora

Dietes grandiflora, Photo: Andrew Massyn

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Brown, N.E. 1928. Journal of the Linnean Society, Botany 48: 35.

Additional references

Govaerts, R.H.A. 2000. World Checklist of Seed Plants Database in ACCESS D: 1-30141. [unavailable to the public] Reference page.
Germishuizen, G. & Meyer, N.L. (eds.) 2003. Plants of Southern Africa: an annotated checklist. Strelitzia 14: i–vi, 1–1231. National Botanical Institute, Pretoria. ISBN 1-919795-99-5. PDF (97 MB) Reference page.

Links

Govaerts, R. et al. 2019. Dietes grandiflora in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 January 15. Reference page.
Govaerts, R. et al. 2019. Dietes grandiflora in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 January 15. Reference page.
International Plant Names Index. 2019. Dietes grandiflora. Published online. Accessed: 15 January 2019.
The Plant List 2013. Dietes grandiflora in The Plant List Version 1.1. Published online. Accessed: 2019 January 15.
Tropicos.org 2019. Dietes grandiflora. Missouri Botanical Garden. Published online. Accessed: 15 January 2019.

Vernacular names
Afrikaans: Groot wilde-iris
English: Large wild iris, Wild iris, Fairy iris
magyar: Nagyvirágú kaffernőszirom
日本語: ディエテス・グランディフロラ
中文: 大花离被鸢尾

Dietes grandiflora, the large wild iris, African iris[1] or fairy iris, is a rhizomatous perennial plant of the family Iridaceae with long, rigid, sword-like green leaves. 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.[2]

The blooms are white marked with yellow and violet. Dark markings are found at the base of the outer tepals. These are borne in abundance during summer, especially after rain.[2] These flowers will last a couple of days and are then followed by 5 cm long green capsules that contain very dark brown seeds, dispersed when the capsule splits open.
Cultivation

Plants prefer dappled shade to full sun where they will flower in profusion, though they will grow in shaded areas (with an accompanying loss of flower production). Under favourable conditions, the clumps multiply rapidly. Dietes grandiflora are drought and frost hardy, making them popular for en masse plantings.[3]
Environmental weed

Dietes grandiflora is considered an "environmental weed" in parts of Australia, particularly Western Australia, Queensland, and Lord Howe Island.[4]
References
Dietes Grandiflora

"African Iris - The Dietes Grandiflora". Retrieved 16 February 2022.
Turner, Sharon (December 2001). "Dietes grandiflora DC". Witwatersrand National Botanical Garden: South African National Biodiversity Institute, South Africa. Retrieved 16 February 2022.
"Dietes grandiflora". Chicago Botanic Garden. Retrieved 16 February 2022.
"Dietes grandiflora". Retrieved 16 February 2022.

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