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

MONOCOTYLEDON - LILIIDAE - ASPARAGALES - Dracaenaceae

Compiled by R.H. Archer

Description :

  • Shrubs, trees or rhizomatous xerophytic perennials
  • Leaves spirally arranged, often in rosettes and crowded at base or top of stem, entire, with parallel venation, stiff, often succulent
  • Flowers ± regular, bisexual, hypogynous, in racemes or panicles; pedicels with an equal, often disc-like articulation
  • Tepals 3 + 3, petal-like, united into a short to very long tube
  • Stamens 3 + 3, arising at base of lobes, exserted; filaments filiform to inflated; anthers versatile, introrse
  • Ovary superior, trilocular with a single axile, anatropous ovule in each locule; style slender; stigma capitate
  • Fruit a berry
  • Seeds 1-3, dirty white

Classification Notes:

  • Dracaenaceae is placed under Convallariaceae by A.P.G. (1988) and Judd et al. (1999)

Nomenclature:

  • Dracaenaceae
    • Bos: 1 (1992)
    • Obermeyer: 5 (1992)

Distribution & Notes:

  • Global : Genera 1 or 2 (depending on whether Dracaena and Sansevieria are kept separate) with ± 120 species; mainly Old World tropics
  • Southern Africa : Genera enera 1 or 2, species 10

References:

  • A.P.G. 1998. An ordinal classification for the families of flowering plants. Annals of the Missouri Botanical Garden 85
  • BOS, J.J. 1992. Dracaena . Flora of southern Africa 5, 3
  • JUDD, W.S., CAMPBELL, C.S., KELOGG, E.A. & STEVENS, P.F. 1999. Plant systematics: a phylogenetic approach . Sinauer Associates, Sunderland, Massachusetts
  • OBERMEYER, A.A. 1992. Sansevieria . Flora of southern Africa 5, 3

Resources:

  • Dracaenaceae genera:
Dracaena Sansevieria