e-Key v<span id="jodit_selection_marker_1710234379723_1935269649091158" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *Hedy<span id="jodit_selection_marker_1710234379723_0025707851316589814" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>pnois
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Lactuceae - *Hedypnois Mill.

Description:

  • Annual herbs with milky latex
  • Leaves rosulate, entire to pinnatifid
  • Capitula ligulate, on stout, rather long peduncles
  • Involucre with bracts in 2 distinct, unequal rows
  • Florets bisexual, fertile; corolla yellow, dorsally sometimes with reddish or greenish stripes
  • Style with branches long, sweeping hairs short
  • Cypselas narrowly terete and incurved, enclosed by persistent involucral bracts
  • Pappus dimorphic: in outer florets a small corona; in inner florets of few, coarse, basally flattened and scale-like, scabrid bristles
  • x = 3, 4, 5, 6, 7, 8, 9, 11, 13 (aneuploids, polyploidy, B-chromosomes)

Nomenclature:

  • *Hedypnois Mill.
    • Miller: [606] (1754)
    • Sell: 307 (1976)
    • Bremer: 197 (1994)

Distribution & Notes:

  • Global: Species 3, Macronesia to the Mediterranean
  • Southern Africa: Species 1: *Hedypnois cretica (L.) Dum.Cours., an introduced species, occurs sporadically in the Western and Eastern Cape

References:

  • BREMER, K. 1994. Asteraceae, cladistics & classification. Timber Press, Portland, Oregon
  • MILLER, P. 1754. The gardener's dictionary (Abridged edition), edn 4. Rivington, London
  • SELL, P.D. 1976. Hedypnois. Flora europaea 4

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