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

Moraceae - Maclura Nutt.

Description :

  • Evergreen or deciduous climbing shrubs or bushes, rarely trees, with straight to curved spines (at least on juvenile parts); dioecious
  • Leaves distichously or spirally arranged, penninerved, petiolate, glabrous; stipules lateral, free or connate on spine-forming branchlets
  • Inflorescences many-flowered globose heads in leaf axils, solitary or in pairs, bracteate, with yellow dye-containing glands embedded in tepals and bracts
  • Tepals 4, free or connate at base
  • Stamens 4, inflexed in bud; pistillode present in male flowers
  • Ovary free or lower part adnate to perianth; stigmas 2, unequal, or 1, filiform
  • Fruit a globose syncarp, indehiscent, pulpy, yellow to orange, formed from enlarged tepals and bracts of heads of flowers, with achenes embedded in pulp
  • Seeds rather small, without endosperm; cotyledons thin, equal and plicate
  • x = 14

Nomenclature:

  • Maclura Nutt.
    • Nuttall: 233 (1818) name conserved
    • Endlicher: 34 (1847)
    • Engler: 74 (1889)
    • Berg: 241 (1986)~(Page number suspect - No access to the publication)
    • Berg: 6 (1989)
    • Berg: 18 (1991)
  • Chlorophora Gaudich.
    • Gaudichaud-Beaupré: 508 (1830)
    • Bentham: 363 (1880) in part excluding African species
  • Cardiogyne Bureau
    • Bureau: 232 (1873)
    • Rendle: 24 (1916)
    • Brown & Hutchinson: 522 (1920)
    • Berg: 359 (1977)
  • Maclura Nutt. section Cardiogyne (Bureau) Corner
    • Corner: 237 (1962)

Distribution & Notes:

  • Global : Species 11, mainly tropical in the Old and New World; only 1 in Africa extending from SE Kenya into southern Africa and also in Madagascar
  • Southern Africa : Species 1: Maclura africana (Bureau) Corner, Northern Province, Mpumalanga to N KwaZulu-Natal

References:

  • BENTHAM, G. 1880. Tribus Moreae . In G. Bentham & J.D. Hooker, Genera plantarum 3. Lovell Reeve & Co., London
  • BERG, C.C. 1977. Revisions of African Moraceae (excluding Dorstenia , Ficus , Masanga , and Myrianthus ). Bulletin du Jardin Botanique National de Belgique 47
  • BERG, C.C. 1986. Subdivision of Ficus subgen. Urostigma sect. Galoglychia ( Moraceae ). Proceedings van de Koninklijke Nederlandse Akademie van Wetenschappen , Ser. C, 89
  • BERG, C.C. 1989. Flora of tropical East Africa . Moraceae
  • BERG, C.C. 1991. Moraceae . Flora zambesiaca 9,6
  • BROWN, N.E. & HUTCHINSON, J. 1920. Moraceae . Flora capensis 5,2
  • BUREAU, E. 1873. Moraceae . In A. de Candolle, Prodromus 17. Masson & Sons, Paris
  • CORNER, E.J.H. 1962. The classification of Moraceae . Gardens' Bulletin Singapore 19
  • ENDLICHER, S.L. 1847. Moreae . Genera plantarum supplementum quartum . Beck, Vienna
  • ENGLER, A. 1889. Moraceae . Die natürlichen Pflanzenfamilien 3,1
  • GAUDICHAUD-BEAUPRÉ, C. 1830. In M.L. de Freycinet, Voyage autour du monde ... executé sur les corvettes de S.M. l'Uranie et la Physicienne. Botanique . Pillet-ainé, Paris
  • NUTTALL, T. 1818. Maclura . The genera of North American plants 2. Published by the author, Philadelphia
  • RENDLE, A.B. 1916. Moraceae . Morus & Cardiogyne . Flora of tropical Africa 6,2