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

Turneraceae - Piriqueta Aubl.

Description :

  • Small shrublets, variously pubescent with simple hairs, aromatic
  • Leaves subsessile, serrate, with large, sessile, circular glands on lower surface; stipules minute or 0
  • Flowers solitary, axillary
  • Calyx : sepals fused in lower third, forming a cup
  • Petals arising in throat of calyx tube, obovate, clawed, alternating with calyx lobes and together forming a fimbriate annulus in the throat
  • Stamens hypogynous, with long or short filaments
  • Ovary : ovules many, uni- to multi-seriate; styles 3, heterostylous
  • Capsule globose, hairy
  • Seed straight or slightly curved, reticulate; aril unilateral, as long as or shorter than seed
  • x = 7 (polyploidy)

Nomenclature:

  • Piriqueta Aubl.
    • Aublet: 298 (1775)
    • Urban: 41 (1883)
    • Obermeyer: 98 (1976)
  • Erblichia Seem.
    • Seemann: 130, t. 27 (1854)

Distribution & Notes:

  • Global : Species ± 20, mostly South American, warm parts of Africa and Madagascar
  • Southern Africa : Species 1: Piriqueta capensis (Harv.) Urb., widespread in Northern Province, Gauteng, Mpumalanga, Swaziland and KwaZulu-Natal

References:

  • AUBLET, J.B.C.F. 1775. Histoire des plantes de la Guiane française 1. Pierre-François Didot, London & Paris
  • OBERMEYER, A.A. 1976. Turneraceae . Flora of southern Africa 22
  • SEEMANN, B.C. 1854. Turneraceae . The botany of the voyage of H.M.S. Herald . 4
  • URBAN, I. 1883. Turneraceae . Jahrbuch des Königlichen Botanischen Gartens und des Botanischen Museums zu Berlin 2