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

Lauraceae - Ocotea Aubl.

Description :

  • Evergreen trees or shrubs; plants usually dioecious or polygamous
  • Leaves alternate, rarely crowded at tips of branchlets, penninerved, rarely subtriplinerved; membranous or coriaceous, glabrous, usually with pits on underside in axils of lowest 1 or 2 pairs of nerves
  • Inflorescences thyrso-paniculate to (pleio-)botryoid, axillary or subterminal
  • Flowers bisexual, 3-merous, small
  • Perianth with or without a tube
  • Tepals 6 or 8, equal, usually deciduous
  • Bisexual flowers with stamens in 3 or 4 whorls, outer 3 fertile, inner, if present, reduced to staminodes; filaments very short or lacking, those of innermost whorl with a pair of large, sessile glands at base, longer than anthers to 0; anthers 4-thecous, introrse in 2 outer whorls, ± extrorse in third whorl; ovary ovoid, ellipsoid or subglobose, usually glabrous; style longer or shorter than ovary; stigma sometimes 2-lobed
  • Male flowers similar but ovary sterile, stalk-like or lacking
  • Female flowers as in bisexual flowers but stamens rudimentary, barren
  • Fruit baccate, ellipsoid or globose, seated on or in an enlarged, cupular receptacle which is either truncate or 6-toothed or 6-lobed from persistent tepals
  • x = 12 (11)

Nomenclature:

  • Ocotea Aubl.
    • Aublet: 780, t. 310 (1775)
    • Jussieu: 80 (1789)
    • Nees: 25, 354 (1836)
    • Endlicher: 321 (1837)
    • Baillon: 476 (1870)
    • Bentham: 157 (1880)
    • Stapf: 186 (1909)
    • Stapf: 498 (1912)
    • Kostermans: 73 (1938)
    • Rohwer: 3 (1986)
    • Van der Werff: 385 (1991)
    • Rohwer: 382 (1993)
    • Verdcourt: 9 (1996)
    • Diniz: 56 (1997)

Distribution & Notes:

  • Global : Species ± 300, mostly in tropical and subtropical America, ± 30 in Madagascar, 7 in Africa, and 1 in the Canary Islands
  • Southern Africa : Species 2, Northern Province, Mpumalanga, KwaZulu-Natal, Western and Eastern Cape
    • Ocotea bullata (Burch.) E.Mey. is Cape Stinkwood

References:

  • AUBLET, J.B.C.F. 1775. Lauraceae . Histoire des plantes de la Guiane Française 2. Pierre-François Didot jeune, Paris
  • BAILLON, H.E. 1870. Monographie des Lauracées, Élaeagnacées et Myrticacées. Histoire des plantes . Hachette, Paris
  • BENTHAM, G. 1880. Laurineae . In G. Bentham & J.D. Hooker, Genera plantarum 3,1. Lovell Reeve & Co., London
  • DINIZ, M.A. 1997. Lauraceae . Flora zambesiaca 9,2
  • ENDLICHER, S.L. 1837. Laurinae . Genera plantarum secundum ordines naturales disposita . Beck, Vienna
  • JUSSIEU, A.L. DE. 1789. Lauri, les Lauriers. Genera plantarum secundum ordines naturales disposita . Herissant & Barrois, Paris
  • KOSTERMANS, A.J.G.H. 1938. The African Lauraceae 1. (Revision of the Lauraceae IV). Bulletin du Jardin Botanique de l'État Bruxelles 15
  • NEES von ESENBECK, C.G.D. 1836. Systema laurinarum . Veit, Berlin
  • ROHWER, J.G. 1986. Prodromus einer Monographie der Gattung Ocotea Aubl. ( Lauraceae ), sensu lato. Mitteilungen aus dem Institut für Allgemeine Botanik Hamburg 20
  • ROHWER, J.G. 1993. Lauraceae . In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • STAPF, O. 1909. Laurineae . Flora of tropical Africa 6,1
  • STAPF, O. 1912. Laurineae . Flora capensis 5,1
  • VAN DER WERFF, H. 1991. A key to the genera of Lauraceae in the New World. Annals of the Missouri Botanical Garden 78
  • VERDCOURT, B. 1996. Flora of tropical East Africa . Lauraceae