e-Key v3 - Rhodohypoxis
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Hypoxidaceae - Rhodohypoxis Nel

Description :

  • Small pubescent, rarely glabrous geophytes; indumentum on leaves, pedicels, ovary and backs of outer tepals; hairs tufted with 2 or more unequal branches
  • Rhizome small, vertical, oblong, mucilaginous, with fibrous tunics; roots thin or fleshy and contractile
  • Leaves 5-10, basal, rosulate, linear to elliptic, enclosed by colourless, membranous, tubular sheaths
  • Inflorescence 1- or 2-flowered; scape solitary in leaf axil, simple or binate, short and included in leaf bases or overtopping leaves; bracts linear or vestigial
  • Flowers red, pink or white with a closed throat; pedicels short, erect or deflexed in fruit
  • Tepals connate into a short perigone tube; segments spreading, longer than tube; inner segments clawed and inflexed basally, covering flower centre before spreading outwards
  • Stamens 6, included, arising from perigone tube in 2 series, outer above and slightly larger than inner; filaments very short, attached to anther low down on back; anthers apiculate, introrse
  • Ovary obpyramidal, trilocular, with or without a beak; ovules ± 4 in each locule, axile; style short or 0; stigma trilobed
  • Capsule thin, papery, circumscissile, septicidal or breaking up irregularly below apex
  • Seeds subglobose, black, shiny, mamillate or echinulate, raphe conspicuous
  • x = 6 (polyploidy)

Nomenclature:

  • Rhodohypoxis Nel
    • Nel: 239, 257 (1914a)
    • Nel: 300 (1914b)
    • Baker: 179 (1896) in part, under Hypoxis
    • Hilliard & Burtt: 43 (1978)

Distribution & Notes:

  • Southern Africa : Species 6, endemic, at high altitudes in the eastern regions, particularly in the Drakensberg: Northern Province, Mpumalanga, Swaziland, Free State, KwaZulu-Natal, Lesotho and Eastern Cape

References:

  • BAKER, J.G. 1896. Amaryllideae . Flora capensis 6
  • HILLIARD, O.M. & BURTT, B.L. 1978. Notes on some plants from southern Africa chiefly from Natal. Notes from the Royal Botanic Garden Edinburgh 36
  • NEL, G.C. 1914a. Studien über die Amaryllidaceae - Hypoxidaceae , unter besonderer Berücksichtigung der afrikanischen Arten. Botanische Jahrbücher 51
  • NEL, G.C. 1914b. Die afrikanischen Arten der Amaryllidaceae - Hypoxidaceae . Botanische Jahrbücher 51