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

Asphodelaceae - Asphodeloideae - Trachyandra Kunth

Description :

  • Rhizomatous geophytes or rarely perennial suffrutices with much-branched stems, adorned with tubular persisting leaf bases, up to 1.8 m tall, glabrous, hairy or glandular-pubescent; roots various, fibrous or spindle-shaped, often swollen and fused, forming a compact tuberous, lobed organ, with attenuated ends
  • Leaves thickly leathery to somewhat succulent, rosulate, rarely distichous, or cauline and alternate, variously shaped, often terete, with a basal tubular sheath; shoots and/or leaf bases often enveloped by tubular membranous squamae
  • Inflorescence an axillary, simple or branched raceme, often with serial buds; scape usually naked; one bract per flower; pedicels not articulated, mobile
  • Flowers erect or pendulous; opening in afternoon, closing at night
  • Perianth stellate or recurved, deciduous, cohering apically when wilted, circumscissile below, leaving a shallow cup below capsule; usually white, rarely yellow, pink or mauve, dark-keeled, often bi-maculate below
  • Stamens : filaments retrorsely scabrid
  • Ovary with 2-16 ovules in each locule
  • Capsule rounded or sometimes stipitate through abortion of lower ovules
  • Seeds angled, brown or grey, with some scattered glands
  • x = 7

Nomenclature:

  • Trachyandra Kunth
    • Kunth: 573 (1843)
    • Baker: 378 (1896-1897) under Anthericum
    • Obermeyer: 711 (1962)
    • Sölch et al.: 68 (1970)

Distribution & Notes:

  • Global : Species ± 50, Africa
  • Southern Africa : Species 49, widespread in all countries and provinces, mainly restricted to winter-rainfall area of Western Cape

References:

  • BAKER, J.G. 1896-1897. Liliaceae . Flora capensis 6
  • KUNTH, C.S. 1843. Enumeratio plantarum 4. J.G. Cotta, Stuttgart and Tübingen
  • OBERMEYER, A.A. 1962. A revision of the South African species of Anthericum , Chlorophytum and Trachyandra . Bothalia 7
  • SÖLCH, A., ROESSLER, H. & MERXMÜLLER, H. 1970. Liliaceae . Prodromus einer Flora von Südwestafrika 147