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

Asteraceae - Helenieae - *Gaillardia Foug.

Description :

  • Erect, branched, annual herbs, softly pubescent
  • Leaves alternate, usually sessile, oblong or spathulate, margins entire, toothed or lobed
  • Capitula radiate; several-flowered, usually solitary on long, nude peduncles, terminating branches
  • Involucre broad; bracts in 2 or 3 rows, usually becoming reflexed
  • Receptacle globose or reflexed
  • Ray florets neuter, rarely female and fertile; corolla yellow or crimson, often bicoloured, strap-shaped, rarely irregularly enlarged
  • Disc florets bisexual; corolla yellow or purplish, tubular below, campanulate above, 5-toothed
  • Anthers with bases eared or minutely sagittate; apical appendage acuminate
  • Style linear, truncate, penicillate; usually with long or short, hairy, subulate appendage
  • Cypselas obpyramidal, 4- or 5-angled, often ribbed
  • Pappus of 5, awned scales
  • x = 17 (9, 19) (aneuploids, high polyploidy)

Nomenclature:

  • *Gaillardia Foug.
    • Fougeroux: 55 (1788)
    • Hilliard: 327 (1977)
    • Karis & Ryding: 552 (1994)

Distribution & Notes:

  • Global : Species 28, North and South America
  • Southern Africa : Species 1: * Gaillardia pulchella Foug., naturalised in parts, especially in KwaZulu-Natal, also known from North-West, Free State and Eastern Cape

References:

  • FOUGEROUX, A.D. 1788. Gaillardia . Observations sur la physique, sur l'histoire naturelle et sur les arts 29. Paris
  • HILLIARD, O.M. 1977. Compositae in Natal . University of Natal Press, Pietermaritzburg
  • KAZMI, S.M.A. 1963-1964. Revision der Gattung Carduus ( Compositae ). Mitteilungen der Botanischen Staatssamlung München 5