e-Key <span id="jodit_selection_marker_1709286442413_9357242286621772" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Elaeode<span id="jodit_selection_marker_1709286442413_575466586698133" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ndron
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Celastraceae - Elaeodendron Jacq.

Description:

  • Shrubs to tall evergreen trees, unarmed, glabrous; bark with layers of yellow pigment occasionally present or hardly discernible
  • Branchlets subangular to terete; lenticels usually prominent
  • Leaves opposite to subopposite, occasionally alternate, spiralled to fasciculate; stipules minute, ± triangular, marcescent
  • Inflorescences usually pedunculate, dichasial
  • Flowers usually bisexual or occasionally unisexual, sometimes with petaloid staminodes in female flowers; pedicellate
  • Sepals 3-5, equal, subcircular
  • Petals 3-5, cream to greenish, oblong to ovate, entire or with ventral projections, spreading
  • Disc entire to subentire and convex, fleshy, or flat and quadrangular, with sinuses at points where stamens arise, flat to concave
  • Stamens 3-5, erect to spreading; arising inside margin of disc or from sinuses in margin of disc
  • Ovary ± half immersed in and adnate to disc, 2-4-locular, with 2 erect, collateral ovules per locule; style short to astylous; stigma inconspicuous
  • Fruit drupaceous, spheroid to ellipsoid, white to yellow; stone narrowly elliptic to elliptic, surface smooth or with grooves
  • Seeds brownish, narrowly ellipsoid, ovoid, flattened to triangular, postchalazal vascular bundles often present; endosperm present; embryo erect with cotyledons fleshy, elliptic or ovate
  • x = 17

Nomenclature:

  • Elaeodendron Jacq.
    • Jacquin: t. 48 (1782) & 5 (1787)
    • Robson: 385 (1966)
    • Robson et al.: 29 (1994)
    • Archer & Van Wyk: 41 (1996)
    • Archer & Van Wyk: 93 (1998)
  • Cassine L. in part
    • Davison: 326 (1927).
  • Crocoxylon Eckl. & Zeyh.
    • Ecklon & Zeyher: 128 (1834/1835)
    • Robson: 40 (1965)
    • Robson: 390 (1966).
  • Pseudocassine Bredell
    • Bredell: 330 (1937)
    • Compton: 338 (1976)

Distribution & Notes:

  • Global: Species ± 30, cosmopolitan; 8 widespread in Africa
  • Southern Africa: Species 4, mainly in forest or woodland: Namibia, Botswana, Northern Province, Mpumalanga, Swaziland, KwaZulu-Natal, Western and Eastern Cape

References:

  • ARCHER, R.H. & VAN WYK, A.E. 1996. Correct orthography and author citation for Elaeodendron Jacq. Bothalia 26
  • ARCHER, R.H. & VAN WYK, A.E. 1998. A taxonomic revision of Elaeodendron Jacq. (Celastraceae). South African Journal of Botany 64
  • BREDELL, H.C. 1937. Pseudocassine, a new genus of Celastraceae from South Africa. South African Journal of Science 33
  • COMPTON, R.H. 1976. The Flora of Swaziland. Journal South African Botany, Suppl. Vol. 11
  • DAVISON, J.D. 1927. Celastraceae R.Br. Bothalia 2
  • ECKLON, C.F. & ZEYHER, K.L.P. 1834/1835. Celastrinae. Enumeratio plantarum africae australis extratropicae. Vol. 1. Perth & Besser, Hamburg
  • JACQUIN, N.J. 1782 & 1787. Icones plantarum rariorum 1. Wappler, Vienna
  • ROBSON, N.K.B. 1965. Taxonomic and nomenclatural notes on Celastraceae. Boletim da Sociedade Broteriana, ser. 2, 39
  • ROBSON, N.K.B. 1966. Celastraceae. Flora zambesiaca 2
  • ROBSON, N.K.B., HALLÉ, N., MATHEWS, B. & BLAKELOCK, R. 1994. Celastraceae. Flora of tropical East Africa. Celastraceae