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

Fabaceae - Papilionoideae - Phaseoleae - Phaseolinae - Dipogon Liebm.

Description :

  • Voluble, perennial herbs, becoming woody below, thinly pubescent, glabrescent
  • Leaves pinnately 3-foliolate, petiolate, stipulate; leaflets ovate-acuminate, up to 50 mm long
  • Flowers bright purple, in short, dense racemes on peduncles longer than leaves
  • Calyx 5-lobed; lobes short and broad, ciliate
  • Corolla ± 10 mm long
  • Style channelled, bearded along its upper margin, strongly curved near base and apex in same direction, middle part gently curved in opposite direction
  • Pod falcate, ± 50 mm long
  • Seeds 4-6, blackish
  • x = 11

Nomenclature:

  • Dipogon Liebm.
    • Liebmann: 27 (1854)
    • Harvey: 244 (1862)
    • Verdcourt: 406 (1970)

Distribution & Notes:

  • Southern Africa : Species 1: Dipogon lignosus (L.) Verdc. (= Dolichos lignosus L. and D. gibbosus Thunb.) Cape Peninsula (Western Cape) to near East London (Eastern Cape)

References:

  • HARVEY, W.H. 1862. Leguminosae . Flora capensis 2
  • LIEBMANN, F.M. 1854. Index seminum horti academici Hauniensi . Copenhagen
  • VERDCOURT, B. 1970. Studies in the Leguminosae - Papilionoideae : III. Kew Bulletin 24