e-Key <span id="jodit_selection_marker_1709288714662_6794440823212808" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Englerop<span id="jodit_selection_marker_1709288714662_4764726701094195" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>hytum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Sapotaceae - Englerophytum K.Krause

Description:

  • Shrubs or trees
  • Leaves spirally arranged; venation brochidodromous, usually with a submarginal vein, secondaries usually close and parallel, higher order venation parallel to secondaries, leaves appearing coarsely striate; stipules usually present, but caducous
  • Inflorescence axillary, ramiflorous or cauliflorous
  • Flowers in fascicles, bisexual or unisexual
  • Calyx a single whorl of 5(6) free or slightly united, quincuncial sepals
  • Corolla shortly tubular or cyathiform; lobes 5(-10), often widely spreading, simple, aestivation imbricate or quincuncial
  • Stamens 5(-10), arising at top of corolla tube, usually exserted; filaments usually well developed, and often partially or completely fused into a short tube or thick fleshy collar; anthers usually extrorse, glabrous; stamens sometimes converted into petaloid staminodes in female flowers, as a single whorl of small, subulate structures alternating with stamens
  • Ovary (4)5(-10)-locular; placentation axile; style included or slightly exserted
  • Fruit a 1-seeded berry
  • Seeds ellipsoid, not or only slightly laterally compressed; testa smooth, often thin; scar adaxial; variable in width from narrow to broad, and sometimes extending to cover most of seed surface; embryo with plano-convex cotyledons; radicle extending to the surface; endosperm absent

Nomenclature:

  • Englerophytum K.Krause
    • Krause: 343 (1914)
    • Aubréville: 252 (1961)
    • Liben: 151 (1989)
    • Pennington: 250 (1991)
    • Bredenkamp: 235 (1993)
  • Bequaertiodendron De Wild.
    • De Wildeman: 22 (1919)
    • Heine & Hemsley: 306 (1960)
    • Aubréville: 252 (1961)
    • Meeuse: 36 (1963)
    • Hemsley: 18 (1968)
    • Aubréville: 432 (1971)
    • Kupicha: 222 (1983)
    • Steyn: 440 (1990)
  • Chrysophyllum in sense of Harvey & Wright
    • Harvey & Wright: 436 (1906) in part
  • Pouteria in sense of Meeuse
    • Meeuse: 332 (1960) in part

Distribution & Notes:

  • Global: Species 5-10, poorly defined and variable species in tropical Africa
  • Southern Africa: Species 2, forest and bush of Botswana, Northern Provice, North-West, Gauteng, Mpumalanga, Swaziland, KwaZulu-Natal and Eastern Cape

References:

  • AUBRÉVILLE, A. 1961. Notes sur les Sapotacées de l'Afrique équatoriale. Notulae Systematicae (Paris) 16
  • AUBRÉVILLE, A. 1971. Essais de géophylétique des Sapotacées 2. Adansonia 11
  • BREDENKAMP, C.L. 1993. A Bequaertiodendron by any other name? Bothalia 23
  • DE WILDEMAN, E. 1919. Sur quelques espèces congolaises de la famille des Sapotacées. Revue Zoologique Africaine 7, Supplément Botanique
  • HARVEY, W.H. & WRIGHT, C.H. 1906. Sapotaceae. Flora capensis 4,1
  • HEINE, H. & HEMSLEY, J.H. 1960. Notes on African Sapotaceae II. The genus Bequaertiodendron De Wild. Kew Bulletin 14
  • HEMSLEY, J.H. 1968. Flora of tropical East Africa. Sapotaceae
  • KRAUSE, K. 1914. Englerophytum, eine neue afrikanische Gattung der Sapotaceen. Botanische Jahrbücher 50
  • KUPICHA, F.K. 1983. Sapotaceae. Flora zambesiaca 7,1
  • LIBEN, L. 1989. La véritable identité des genres et espèces confondus sous le nom de Bequaertiodendron magalismontanum (Sond.) Heine & Hemsley (Sapotaceae) en Afrique centrale et occidentale. Bulletin du Jardin Botanique National de Belgique 59
  • MEEUSE, A.D.J. 1960. Notes on the Sapotaceae of southern Africa. Bothalia 7
  • MEEUSE, A.D.J. 1963. Sapotaceae. Flora of southern Africa 26
  • PENNINGTON, T.D. 1991. The genera of Sapotaceae. Royal Botanic Gardens, Kew & The New York Botanical Garden, Bronx
  • STEYN, E.M.A. 1990. Macromorphological floral characters in Bequaertiodendron magalismontanum, possible taxonomic significance. South African Journal of Botany 56