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

Hyacinthaceae - Lachenalia J.Jacq. ex Murray

Description :

  • Perennial, bulbous herbs
  • Bulb variable in size, outer covering of soft or hard, dry, membranous tunics; occasionally forming a neck, sometimes bulbilliferous
  • Leaves 1-many (usually 2); contemporary with flowers or occasionally developing before or after flowering; erect to spreading or ± flat on ground; linear, ovate to oblong; often funnelform or tubular below; margin entire, occasionally undulate; smooth, hairy or pustulate; often maculate and/or with transverse stripes
  • Inflorescence a raceme or spike of many flowers, upper flowers vestigial; peduncle cylindrical or sometimes swollen, clavate, sometimes spotted; bracts various, often broad and membranous
  • Flowers variously coloured, white, yellow, orange, red, blue, purple or green; usually irregular, erect or pendulous, long and tubular to small and campanulate; pedicels long, short or absent
  • Tepals fused near base, lobes spreading or cohering and forming a tube; inner tepals usually much longer than outer tepals; outer tepals usually with a swelling or gibbosity near the apex; persistent
  • Stamens 6, in one whorl, arising from base of perianth, included or protruding; filaments filiform; anthers versatile, introrse
  • Ovary ovoid; ovules few to many per locule; style long or occasionally short, terete; stigma minutely capitate
  • Fruit an ovoid to oblong capsule, trigonous, membranous; dehiscing loculicidally
  • Seeds globose, black, variable in size and texture; arillode various, large and swollen or ribbed, grading to small and inconspicuous
  • x = 7, 8 (5, 9, 11, 13) (polyploidy)

Nomenclature:

  • Lachenalia J.Jacq. ex Murray
    • Murray: 314 (1784)
    • Baker: 421 (1897)
    • Sölch et al.: 53 (1970)
    • Barker: 391 (1978)
    • Barker: 193 (1979)
    • Barker: 423 (1983)
    • Barker: 535 (1984)
    • Barker: 166 (1987)
    • Duncan: 1 (1988)
    • Barker: 630 (1989)
    • Duncan: 1 (1996)
    • Duncan: 7 (1997)
    • Duncan: 40 (1998)

Distribution & Notes:

  • Southern Africa : Species ± 110, Namibia, Free State, Northern, Western and Eastern Cape
    • Largest genus of Hyacinthaceae in the region with several species only known from a single locality
    • Occurs in a wide range of habitats

Additional Notes:

  • Cultivated ornamental with many cultivars and hybrids, some of which have been in cultivation for over 200 years

References:

  • BAKER, J.G. 1897. Liliaceae . Flora capensis 6,2
  • BARKER, W.F. 1978. Ten more species of Lachenalia ( Liliaceae ). Journal of South African Botany 44
  • BARKER, W.F. 1979. Ten more species of Lachenalia ( Liliaceae ). Journal of South African Botany 45
  • BARKER, W.F. 1983. Six more species of Lachenalia ( Liliaceae ). Journal of South African Botany 49
  • BARKER, W.F. 1984. Three more new species of Lachenalia and one new variety of an early species ( Liliaceae ). Journal of South African Botany 50
  • BARKER, W.F. 1987. Five more new species of Lachenalia ( Liliaceae - Hyacinthoideae ) - four from the Cape Province and one from southern South West Africa/Namibia. South African Journal of Botany 53
  • BARKER, W.F. 1989. New taxa and nomenclatural changes in Lachenalia ( Liliaceae - Hyacinthaceae ) from the Cape Province. South African Journal of Botany 55
  • DUNCAN, G.D. 1988. The Lachenalia handbook. Annals of Kirstenbosch Botanic Gardens 17: i-v, 1
  • DUNCAN, G.D. 1996. Four new species and one new subspecies of Lachenalia ( Hyacinthaceae ) from arid areas of South Africa. Bothalia 26
  • DUNCAN, G.D. 1997. Five new species of Lachenalia ( Hyacinthaceae ) from arid areas of South Africa. Bothalia 27
  • DUNCAN, G.D. 1998. Notes on the genus Lachenalia . Herbertia 53
  • MURRAY, J.A. 1784. Systema vegetabilium , edn 14. Dieterich, Göttingen
  • SÖLCH, A., ROESSLER, H. & MERXMÜLLER, H. 1970. Liliaceae . Prodromus einer Flora von Südwestafrika 147