e-Key <span id="jodit_selection_marker_1707912886650_6806445775340002" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cordyl<span id="jodit_selection_marker_1707912886650_4559291101782996" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ogyne
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apocynaceae - Asclepiadoideae - Asclepiadeae - Cordylogyne E.Mey.

Description:

  • Perennial herbs, erect, with thickened rootstock
  • Leaves sessile, slender
  • Flowers in terminal, peduncled, dense umbels, 1 or 2(3 or 4) to a stem
  • Sepals with scales within base
  • Corolla 5-lobed almost to base, yellow to brown; lobes oblong
  • Corona of 5 lobes arising from base of staminal column; lobes erect, spatulate-hastate or oblong-linear, with a minute tooth about middle of each side and with 2 keels and a transverse ridge or flap on inner face, without other processes at base
  • Staminal column arising from base of corolla, cylindric
  • Anthers 2-locular, with erect, deeply concave, membranous appendages
  • Pollinia pendulous, oblong-linear, attached by slender caudicles to a minute corpuscle
  • Style head produced above anther appendages into a club-shaped structure
  • Follicles narrowly fusiform
  • Seeds brown, flattened, ovate, with a narrow, marginal wing

Nomenclature:

  • Cordylogyne E.Mey.
    • Meyer: 218 (1838)
    • Brown: 585 (1907)

Distribution & Notes:

  • Southern Africa: Species 1: Cordylogyne globosa E.Mey., widespread, mainly eastern parts in damp or marshy places of high grasslands

References:

  • BROWN, N.E. 1907. Asclepiadeae. Flora capensis 4,1
  • MEYER, E.H.F. 1838. Commentariorum de plantis Africae australioris. Voss, Leipzig