1. Family: Iridaceae Juss.
    1. Genus: Dietes Salisb. ex Klatt
      1. Dietes iridioides (L.) Sweet ex Klatt

        This species is accepted, and its native range is Ethiopia to S. Africa.

    [FZ]

    Iridaceae, P. Goldblatt. Flora Zambesiaca 12:4. 1993

    Habit
    Plants (15)30–60 cm high, often tufted.
    Leaves
    Leaves 25–40(60) × 6–15(25) mm, narrowly lanceolate.
    Stem
    Stem irregularly branched, bearing short leaves below, and sheathing bract-like leaves above; sheathing leaves 25–30 mm long, often dry and brownish; old inflorescences sometimes producing branches with a terminal cluster of leaves, and ultimately rooting.
    Inflorescences
    Rhipidia spathes 35–50(55) mm long, the outer about half as long as the inner, obtuse to emarginate.
    Flowers
    Flowers white with yellow nectar guides on outer tepals, claws of outer tepals orange-dotted, style branches blue or white flushed with blue above; outer tepals 24–35 mm long, claw c. 16 mm long, limb 12–16 mm long, spreading to recurved; inner tepals 24–28 mm long, 9–12 mm wide, spreading to recurved.
    Stamens
    Filaments 5–9 mm long, free or united below, anthers 3–6 mm long.
    Pistil
    Ovary 8–15 mm long, lightly ridged; style 2–3 mm long, branches 7–9 mm long, 4–6 mm wide; crests c. 5 mm long.
    Fruits
    Capsule erect, 20–30 mm long, ovoid-cylindric, usually rostrate, surface fissured.
    [FTEA]

    Iridaceae, Peter Goldblatt. Flora of Tropical East Africa. 1996

    Habit
    Plants (15-)30-60 cm. high, often in tufts.
    Leaves
    Leaves 2.5-4(-6) cm. long, narrowly lanceolate, 6-15(-25) mm. wide.
    Stem
    Stem bearing short leaves below, and sheathing, bract-like leaves above, branched irregularly; sheathing leaves 2.5-3 cm. long, often dry and brownish; old inflorescences sometimes producing branches with a terminal cluster of leaves, and ultimately rooting.
    Inflorescences
    Rhipidia with spathes 3.5-5(-5.5) cm. long, outer ± half as long as inner, obtuse to emarginate.
    Flowers
    Flowers white with yellow nectar guides on outer tepals, claws of outer tepals orange dotted, style-branches blue or white flushed with blue above.
    Tepal
    Outer tepals 2.4-3.5 cm. long, claw ± 1.6 cm. long, limb 1.2-1.6 cm. long, spreading to recurved, inner tepals 24-28 × 9-12 mm., spreading to recurved.
    Stamens
    Filaments 5-9 mm. long, free or united below; anthers 3-6 mm. long.
    Style
    Style 2-3 mm. long, the branches 7-9 mm. long, 4-6 mm. wide; crests ± 5 mm. long.
    Fruits
    Capsule ovoid-cylindric, erect, usually rostrate, 1.5-3 cm. long, surface fissured or nearly smooth.
    Figures
    Fig. 2/1-2.
    Habitat
    Mostly in evergreen forests and forest margins, often along streams, montane in East Africa, also coastal to the south; 1100-2300 m.; flowering sporadically, mainly March to May, also July to January.
    Distribution
    K3 K4 K6 T3 T6 T7 T8 U2

    Images

    Distribution

    Native to:

    Angola, Cape Provinces, Ethiopia, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Hawaii, Jamaica, Madeira, Mauritius, Réunion

    Dietes iridioides (L.) Sweet ex Klatt appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Galpin, E.E. [1206], South Africa K000365940 Unknown type material
    Wood, J.M. [1341], South Africa K000365939 Unknown type material
    Harris, T. [465], Mozambique K000613901

    First published in T.A.Durand & H.Schinz, Consp. Fl. Afric. 5: 156 (1894)

    Accepted by

    • Evenhuis, N.L. & Eldredge, L.G. (eds.) (2012). Records of the Hawaii biological survey for 2011. Part II: plants Bishop Museum Occasional Papers 113: 1-102.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Timberlake, J.R., Bayliss, J., Alves, T., Francisco, J., Harris, T., Nangoma, D. & de Sousa, C. (2009). Biodiversity and Conservation of Mchese Mountain, Malawi. Report produced under the Darwin Initiative Award 15/036: 1-71. Royal Botanic Gardens, Kew.
    • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.
    • Geerinck, D (2005). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Iridaceae: 1-102. Jardin Botanique National de Belgique, Meise.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
    • Goldblatt, P. (1996). Iridaceae Flora of Tropical East Africa: 1-89.
    • Goldblatt, P. (1993). Flora Zambesiaca: i-iv, 1-106. Royal Botanic Gardens, Kew.

    Not accepted by

    • Maire, R. (1959 publ. 1960). Flore de l'Afrique du Nord 6: 1-397. Paul Lechevalier, Paris. [Cited as Moraea vegeta.]

    Literature

    Kew Backbone Distributions
    • Evenhuis, N.L. & Eldredge, L.G. (eds.) (2012). Records of the Hawaii biological survey for 2011. Part II: plants Bishop Museum Occasional Papers 113: 1-102.
    • Goldblatt, P. (1996). Iridaceae Flora of Tropical East Africa: 1-89.
    • Goldblatt, P. (1993). Flora Zambesiaca: i-iv, 1-106. Royal Botanic Gardens, Kew.
    • Hansen, A. & Sunding, P. (1985). Flora of Macaronesia. Checklist of vascular plants. 3. revised edition Sommerfeltia 1: 5-103.
    • Marais, W. (1978). Flore des Mascareignes 177: 1-16. IRD Éditions, MSIRI, RBG-Kew, Paris.
    • Adams, C.D. in Adams, C.D. (1972). Flowering Plants of Jamaica: 83-86. University of the West Indies, Mona.
    Flora of Tropical East Africa
    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 323, t. 150 (1994).
    • Goldblatt in Flora Zambesiaca 12(4): 8 (1993).
    • Goldblatt in Ann. Missouri Bot. Gard. 68: 145 (1981)
    • Klatt in Th. Dur. & Schinz, Consp Fl. Afr. 7: 156 (1895).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0