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

Malvaceae - Malvavisceae - Pavonia Cav.

Description :

  • Herbs, suffrutices or shrubs
  • Leaves undivided to palmatipartite, often cordate, mostly palmately veined, petiolate
  • Flowers mostly axillary, solitary or occasionally in pseudoracemes or terminal subcapitate racemes; pedicels usually articulate
  • Epicalyx of (3-)5-16 filiform to broadly ovate, mostly free, bracts
  • Calyx broadly campanulate to tubiform, usually divided to beyond middle, often somewhat accrescent
  • Petals longer than calyx, usually ± obliquely obovate, yellow, white or reddish to mauve
  • Staminal tube as long as or somewhat shorter than petals, 5-toothed or truncate at apex, bearing anthers mainly in upper half, sometimes nearly down to base
  • Gynoecium of 5 carpels, each with 1 ovule; style branches 10, usually shorter than style; stigmas capitate, often penicillate
  • Fruit of 5 1-seeded, trigonous, dorsally convex, membranous or woody mericarps separating from axis, dorsally often ridged or muricate, apex rounded, rarely apiculate or awned, margins sometimes winged
  • Seeds kidney-shaped
  • x = 7 (13) (high polyploidy)

Nomenclature:

  • Pavonia Cav.
    • Cavanilles: 11 (1786) name conserved
    • Harvey: 169 (1860)
    • Meeuse: 504 (1960)
    • Roessler: 25 (1969)

Distribution & Notes:

  • Global : Species ± 150, widespread in tropics and subtropics, especially in the New World
  • Southern Africa : Species 11, widespread, but rare in Western Cape

References:

  • CAVANILLES, A.J. 1786. Monadelphiae classis dissertationes decem . Diss. 2. Typographia regia, Madrid
  • HARVEY, W.H. 1860. Malvaceae Juss. Flora capensis 1
  • MEEUSE, A.D.J. 1960. In A.W. Exell, Malvaceae . Flora zambesiaca 1
  • ROESSLER, H. 1969. Malvaceae (in part). Prodromus einer Flora von Südwestafrika 82