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

Apocynaceae - Asclepiadoideae - Ceropegieae - Pectinaria Haw.

Description :

  • Dwarf, mat-forming, leafless, glabrous, succulent perennials
  • Stem usually procumbent, often arching and rerooting as it elongates, 6-angled, tuberculate-tesselate, acutely toothed along angles when young, often with a distinct bud in axil of each tubercle
  • Flowers solitary of rarely in pairs, arising between angles near stem apex
  • Sepals lanceolate, acuminate
  • Corolla : tube cupular or campanulate; lobes ovate-lanceolate to lanceolate, usually connate at apex
  • Corona 2-seriate, glabrous; outer lobes bifid into 2 slightly diverging, erect to semi-erect horns, joining to dorsal projection of inner lobes; inner lobes adnate to backs of anthers; dorsal projections divided into many semi-erect processes forming a pectinate ring with outer lobes
  • Anthers 2-locular, without apical appendages
  • Pollinia suberect or nearly horizontal, broader than long, with short caudicles and winged corpuscle
  • Follicles erect, terete-fusiform, glabrous, smooth
  • x = 11

Nomenclature:

  • Pectinaria Haw.
    • Haworth: 14 (1819)
    • Brown: 867 (1909)
    • White & Sloane: 727 (1937)
    • Bruyns: 62 (1981)

Distribution & Notes:

  • Southern Africa : Species 3, Northern and Western Cape

References:

  • BROWN, N.E. 1909. Asclepiadeae . Flora capensis 4,1
  • BRUYNS, P.V. 1981. A review of Pectinaria Haw., Stapeliopsis Pillans and a new genus, Ophionella ( Asclepiadaceae ). The Cactus and Succulent Journal of Great Britain 43
  • HAWORTH, A.H. 1819. Supplementum plantarum succulentarum . Harding, London
  • WHITE, A. & SLOANE, B.L. 1937. The Stapelieae 2, edn 2. Abbey San Encino Press, Pasadena, California