e-Key <span id="jodit_selection_marker_1706015286084_41022373804430345" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Ana<span id="jodit_selection_marker_1706015286084_6012348345069887" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>xeton
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Anaxeton Gaertn.

Description:

  • Shrublets, usually woolly
  • Leaves alternate, linear to elliptic, sessile, usually crowded and with revolute, entire margins and pungent apex, tomentose (hair type B)
  • Capitula disciform, aggregated in dense corymbs at end of long peduncles (corymbophore), rarely sessile
  • Involucre ± ellipsoid; bracts in 4-6 rows, outer pilose or hairy at base; inner with white or reddish, petaloid appendage; stereome undivided
  • Receptacle epaleate, flat or somewhat convex, smooth
  • Female florets few; corolla purple, tubular or filiform, sparsely glandular, 5-toothed
  • Disc florets functionally male, outnumbering female florets; corolla purple, tubular below, narrowly campanulate above, with 5 short, ovate lobes
  • Anthers ecalcarate, caudate, with short tails, with ovate, apical appendage; endothecial tissue polarised
  • Style branches flattened, linear, truncate with obtuse sweeping hairs apically
  • Cypselas narrowly oblong to narrowly elliptic to narrowly ovate, glabrous or pubescent with elongated, nonmyxogenic twin hairs (glandular hairs present in some species)
  • Pappus barbellate to subplumose, free at base or basally fused into annulus, reduced in female florets

Nomenclature:

  • Anaxeton Gaertn.
    • Gaertner: 406 (1791)
    • Harvey: 289 (1865)
    • Lundgren: 22 (1972)
    • Anderberg: 92 (1991)
    • Anderberg: 335 (1994)

Distribution & Notes:

  • Southern Africa: Species 10, endemic, Western Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • GAERTNER, J. 1791. De fructibus et seminibus plantarum 2. Academia Carolina, Stuttgart
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • LUNDGREN, J. 1972. Revision of the genus Anaxeton Gaertn. (Compositae). Opera Botanica 31