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

DICOTYLEDON - DILLENIIDAE - THEALES - Ebenaceae

Compiled by C.L. Bredenkamp

Description :

  • Trees, shrubs, undershrubs, rarely scandent, usually dioecious
  • Leaves alternate, occasionally opposite or whorled, simple, entire, coriaceous; stipules 0
  • Flowers regular, usually unisexual, sometimes bisexual, 3-8-merous, in axillary cymes, racemes, panicles, or solitary; bracts usually present
  • Calyx usually divided almost to base, occasionally with distinct, truncate or shortly toothed tube, persistent and often accrescent in fruit
  • Corolla usually with a short tube and lobes contorted in bud, deciduous
  • Stamens 3 or more in 1 or 2 whorls, arising from base of corolla or on tube, sometimes hypogynous; filaments free or connate at base, in pairs or groups, shorter than basifixed anthers
  • Ovary superior, on a glabrous or fringed disc, 2-16-locular, with axile placentation and 1 or 2 pendulous ovules in each locule; styles 1-3, simple or with 2-5 branches
  • Fruit a berry, with 1-several seeds, becoming dry and occasionally dehiscing slowly
  • Seeds globose or ellipsoid; embryo straight; endosperm usually copious and bony

Nomenclature:

  • Ebenaceae
    • Hiern: 444 (1906)
    • De Winter: 54 (1963)
    • De Winter et al.: 107 (1967)
    • White: 248 (1983)

Distribution & Notes:

  • Global : Genera 2, species ± 500, throughout tropics and subtropics of both hemispheres, most species in the Indo-Pacific region but centre of variation in Africa (including Madagascar); represented in Africa in most terrestrial vegetation types below 2000 m except in the driest areas
  • Southern Africa : Genera 2, species 37

References:

  • DE WINTER, B. 1963. Ebenaceae . Flora of southern Africa 26
  • DE WINTER, B., WHITE, F. FRIEDRICH-HOLZHAMMER, M. & ROESSLER, H. 1967. Ebenaceae . Prodromus einer Flora von Südwestafrika 107
  • HIERN, W.P. 1906. Ebenaceae . Flora capensis 4,1
  • WHITE, F. 1983. Ebenaceae . Flora zambesiaca 7,1

Resources:

  • Ebenaceae genera:
Diospyros Euclea