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

Cucurbitaceae - Coccinia Wight & Arn.

Description :

  • Dioecious, prostrate or climbing, glabrous or scabrid herbs with (always?) tuberous rootstock
  • Leaves digitately 3-5-lobed, with lobes often toothed, usually cordate
  • Tendrils simple or bifid
  • Male flowers in racemes: calyx short, 5-lobed, tube turbinate or campanulate, glabrous, lobes linear; corolla 5-lobed, tube campanulate, sometimes glandular within, lobes broadly elliptic or ovate, sometimes bluntly apiculate, membranous, sometimes glandular; stamens 3, filaments partly free or connate to form a broad flattened structure, anthers sometimes cohering to form a flattened disc, with one anther 1-thecous and the others 2-thecous, thecae bent; pistil 0
  • Female flowers solitary: calyx and corolla as in male; staminodes 3; ovary ovoid, narrowly elliptic or flattened and linear or oblong, with 3 placentas and many ovules, style columnar, stigmas 3, fleshy or flattened, glandular
  • Fruit a many-seeded berry, cylindric or ellipsoid
  • Seeds much compressed, obliquely obovate to oblong, often tomentose, with crustaceous testa
  • x = 12 (polyploidy)

Nomenclature:

  • Coccinia Wight & Arn.
    • Wight & Arnott: 347 (1834)
    • Meeuse: 95 (1962)
    • Jeffrey: 442 (1978)
  • Cephalandra Eckl. & Zeyh.
    • Ecklon & Zeyher: 280 (1836)

Distribution & Notes:

  • Global : Species ± 30, Old World, all but 1 confined to Africa
  • Southern Africa : Species 7, all regions

References:

  • ECKLON, C.F. & ZEYHER, K.L.P. 1836. Cephalandra , Citrullus . Enumeratio plantarum africae australis extratropicae 2. Perthes & Besser, Hamburg
  • JEFFREY, C. 1978. Cucurbitaceae . Flora zambesiaca 4
  • MEEUSE, A.D.J. 1962. The Cucurbitaceae of southern Africa. Bothalia 8
  • WIGHT, R. & ARNOTT, G.W. 1834. Coccinia . Prodromus florae peninsulae Indiae orientalis . Parbury, Allen & Co., London