1. Family: Xyridaceae C.Agardh
    1. Genus: Xyris Gronov. ex L.
      1. Xyris huillensis Rendle

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

    [FTEA]

    Xyridaceae, J. M. Lock, M.A., Ph.D. Flora of Tropical East Africa. 1999

    Habit
    Small tufted perennial.
    Leaves
    Leaves 5–8(–11) cm. long, 1 mm. wide; sheaths brown, smooth, glabrous except for ciliate margins below; ligule not seen; lamina linear, smooth, glabrous; apex acute, solid, smooth.
    Inflorescences
    Peduncles 20–30 cm. long, terete, glabrous, smooth, weakly grooved longitudinally; sheaths smooth, shorter than the leaves; spike ellipsoid, later obtriangular, dark brown, 4–5 mm. long; outer sterile bracts obovate, 3.5 mm. long, 1.8 mm. wide, brown, keeled towards the emarginate apex, nerve strong but poorly defined, excurrent as a mucro, inner sterile bracts similar but nerve less prominent and apiculus lacking, apex often splitting but probably not truly laciniate; fertile bracts similar but thinner and more concave.
    Perianth
    Lateral sepals boat-shaped, 3.5 mm. long, 0.8 mm. wide, pale brown, darker on the entire glabrous keel; corolla yellow, tube 3 mm. long; lobes oblong, 2 mm. long, 1 mm.
    Stamens
    Stamens 1 mm. long including 0.5 mm. anthers; staminodes bunches of hairs.
    Pistil
    Ovary obovoid, 2 mm. long, 1 mm. in diameter; style 3 mm. long, the upper third trifid; stigmas 2–3-lobed.
    Fruits
    Capsule obovoid, 6 mm. long.
    Seeds
    Seeds ellipsoid, 0.5 mm. long, 0.3 mm. in diameter, longitudinally ridged.
    Figures
    Fig. 1/11.
    Habitat
    Marshy places, often on sandy soil; 950–2250 m.
    Distribution
    K3 T2 T4 T5 T7 T8

    Images

    Distribution

    Native to:

    Angola, Botswana, Kenya, Malawi, Northern Provinces, Tanzania, Zambia, Zaïre, Zimbabwe

    Xyris huillensis Rendle appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Welwitsch [2469], Angola K000321277 isosyntype
    Welwitsch [2472], Angola K000321278 isosyntype
    Hannington [s.n.], Tanzania K000321249 holotype

    First published in W.P.Hiern, Cat. Afr. Pl. 2: 71 (1899)

    Accepted by

    • Timberlake, J.R. & Martins, E.S. (eds.) (2010). Flora Zambesiaca 13(4): 1-151. Royal Botanic Gardens, Kew.

    Not accepted by

    • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Xyris capensis var. medullosa.]

    Literature

    Kew Backbone Distributions
    • Timberlake, J.R. & Martins, E.S. (eds.) (2010). Flora Zambesiaca 13(4): 1-151. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Rendle, Cat. Afr. Pl. Welw. 2: 71 (1899).

    Sources

    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