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

Boraginaceae - Cordioideae - Cordia L.

Description :

  • Trees or shrubs, variously hairy
  • Leaves alternate, rarely subopposite, petiolate, entire or coarsely toothed
  • Flowers usually yellow or white, bi- or unisexual, subsessile or pedicellate; borne in terminal or axillary dichotomous corymbs, panicles or subglobose clusters of cymes, the branches scorpioid, inflorescences ebracteate
  • Calyx tubular or campanulate; tube as long as corolla tube; lobes 3-5, shorter than tube, ovate; persistent, accrescent
  • Corolla white or yellow, with tube funnel- or salver-shaped; lobes 5, rarely 3-8, oblong, erect, spreading or reflexed, imbricate or somewhat contorted in bud
  • Stamens arising in mouth of corolla tube, included or exserted; filaments linear, glabrous or pubescent at base; anthers oblong
  • Ovary 4-locular with a thick, fleshy wall and a single, erect ovule in each locule; style terminal, 2-branched, with each branch 2-fid; stigmatic branches clavate or linear
  • Fruit a drupe, surrounded at base by a saucer-shaped calyx, with 1 stone, up to 4-locular but only 1 or 2 locules fertile
  • x = 7, 8 (6) (aneuploids, polyploidy)

Nomenclature:

  • Cordia L.
    • Linnaeus: 190 (1753)
    • Linnaeus: 87 (1754)
    • Candolle: 471 (1845)
    • Bentham: 838 (1876)
    • Boissier: 123 (1879)
    • Gürke: 81 (1897)
    • Wright: 4 (1904)
    • Taton: 3 (1971)
    • Warfa: 1 (1988)
    • Martins: 60 (1990)
    • Al-Shehbaz: 43 (1991)
    • Miller: 8 (1991)
    • Verdcourt: 3 (1991)
    • Riedl: 68 (1997)

Distribution & Notes:

  • Global : Species 250-300, in tropical regions of both hemispheres, mainly America
  • Southern Africa : Species 6, widespread except Northern and Western Cape

References:

  • AL-SHEHBAZ, I.A. 1991. The genera of Boraginaceae in the southeastern United States. Journal of the Arnold Arboretum , supplementary series 1
  • BENTHAM, G. 1876. Boragineae . In G. Bentham & J.D. Hooker, Genera plantarum 2. Reeve, London
  • BOISSIER, P.E. 1879. Borragineae . Flora orientalis 4. H. Georg, Geneva
  • CANDOLLE, A.P. DE. 1845. Borragineae . Prodromus 9. Treuttel & Würtz, Paris
  • GÜRKE, M. 1897. Borraginaceae . Die natürlichen Pflanzenfamilien 4, 3a
  • LINNAEUS, C. VON. 1753. Species plantarum . Laurentius Salvius, Stockholm
  • LINNAEUS, C. VON. 1754. Genera plantarum , edn 5. Laurentius Salvius, Stockholm
  • MARTINS, E.S. 1990. Boraginaceae . Flora zambesiaca 7,4
  • MILLER, J.S. 1991. Boraginaceae . In M.D. Dassanayake, A revised handbook to the flora of Ceylon . Amerind Publishing Co. Pvt. Ltd., New Delhi
  • RIEDL, H. 1997. Boraginaceae . Flora malesiana 13
  • TATON, A. 1971. Boraginaceae . Flore du Congo du Rwanda et du Burundi . Boraginaceae
  • VERDCOURT, B. 1991. Boraginaceae . Flora of tropical East Africa . Boraginaceae
  • WARFA, A.M. 1988. Cordia ( Boraginaceae ) in NE tropical Africa and tropical Arabia. Acta Universitatis Upsaliensis 174
  • WRIGHT, C.H. 1904. Boragineae . Flora capensis 4,2