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

Cucurbitaceae - Peponium Engl.

Description :

  • Monoecious or dioecious, prostrate or scandent, often villous herbs
  • Leaves lobed, rarely entire, toothed
  • Tendrils unequally bifid, rarely simple
  • Male flowers solitary or in racemes: calyx 5-lobed, tube gradually widening upwards or subcylindric, sometimes pilose outside and inside, with vibratile hairs, lobes linear, subulate, rarely sublanceolate; corolla 5-lobed, lobes obovate or oblong-elliptic, entire, sometimes glandular-hairy within and without; stamens 3, arising near base of calyx tube, filaments free, sometimes shorter than anthers, anthers cohering, with 1 anther 1-thecous and others 2-thecous, sometimes sagittate at base, thecae bent; pistil rudimentary
  • Female flowers solitary: calyx and corolla as in male; staminodes 0 or 3, linear; ovary oblong or linear-oblong, with 3 placentas and many ovules, sometimes tomentose, style thick, fleshy, linear, stigma 3-lobed, fleshy
  • Fruit ovoid or cylindric, fleshy, many-seeded
  • Seeds obovate, smooth or sometimes tomentose with crustaceous testa
  • x = 12 (1 report)

Nomenclature:

  • Peponium Engl.
    • Engler: 318 (1897)
    • Meeuse: 91 (1962)
  • Peponia Naud.
    • Naudin: 29 (1866) name illegitimate

Distribution & Notes:

  • Global : Species ± 20, Africa, Madagascar, Aldabra and Seychelles
  • Southern Africa : Species 4, Northern Province, North-West, Gauteng, Free State, KwaZulu-Natal, Northern and Eastern Cape

References:

  • ENGLER, H.G.A. 1897. Cucurbitaceae , Peponium . Die natürlichen Pflanzenfamilien , Nachträge
  • MEEUSE, A.D.J. 1962. The Cucurbitaceae of southern Africa. Bothalia 8
  • NAUDIN, C.V. 1866. Peponia . Annales des sciences naturelles; Botanique , séries 5,5. Paris