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

Hyacinthaceae - Tenicroa Raf.

Description :

  • Perennial, deciduous, bulbous herbs
  • Bulb subglobose to globose, scales loose, pink or reddish
  • Leaves 1-many; usually present at flowering; terete, surrounded at base by membranous, striate sheaths with raised, transverse, purple or brown ridges
  • Inflorescence a raceme of few to many flowers; bracts membranous, at least lower ones conspicuously spurred
  • Flowers usually white with dark reddish brown or green keels, in one species purplish pink with a green and white eye at tepal base; sweetly scented
  • Tepals free, usually spreading
  • Stamens 6; filaments closely surrounding ovary; anthers basifixed, opening by longitudinal slits
  • Ovary oblong-globose; ovules several per locule; style terete, declinate, exserted; stigma globose, papillate
  • Fruit an ovoid or ellipsoid capsule; valves with thickened margins
  • Seeds oval, flat, black

Classification Notes:

  • Closely related to Drimia and Urginea , but can be separated by the distinctive sheaths around the leaves; included in Drimia by Jessop (1977)

Nomenclature:

  • Tenicroa Raf.
    • Rafinesque: 52, 60 (1837; as '1836')
    • Obermeyer: 577 (1981)
    • Bond & Goldblatt: 56 (1984)
    • Snijman: 284 (1985)
  • Sypharissa Salisb.
    • Salisbury: 38 (1866)
    • Obermeyer: 111 (1980)
  • Drimia in sense of Jessop
    • Jessop: 269 (1977) in part

Distribution & Notes:

  • Southern Africa : Species 5, Namibia, Northern, Western and Eastern Cape
    • Occurs in sandy habitats or humus-rich rock crevices

References:

  • BOND, P. & GOLDBLATT, P. 1984. Plants of the Cape Flora. A descriptive catalogue. Journal of South African Botany , supplementary vol. 13
  • JESSOP, J.P. 1977. Studies in the bulbous Liliaceae in South Africa. The taxonomy of Drimia and certain allied genera. Journal of South African Botany 43
  • OBERMEYER, A.A. 1980. The genus Sypharissa ( Liliaceae ). Bothalia 13
  • OBERMEYER, A.A. 1981. Liliaceae : some name changes in the Urgineae complex. Journal of South African Botany 47
  • RAFINESQUE, C.S. 1837 ('1836'). Flora telluriana . Published by the author, Philadelphia
  • SALISBURY, R.A. 1866. The genera of plants . John van Voorst, London
  • SNIJMAN, D. 1985. A new species of Tenicroa ( Liliaceae - Scilleae ) from Namaqualand. South African Journal of Botany 51