e-Key v<span id="jodit_selection_marker_1707824167175_3741103563942789" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *<span id="jodit_selection_marker_1707824167175_7987385129567528" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>Canna
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

*Cannaceae - *Canna L.

Description:

  • Rhizomatous glabrous herbs
  • Stems tall, annual
  • Leaves alternate, with sheathing bases; large, pinnately veined with a prominent midrib, decreasing in size upwards; ligule 0
  • Inflorescence terminal, spicate or thyrsoid; bracts usually small, green
  • Flowers bisexual, irregular, large
  • Sepals 3, free, short, ovate to lanceolate, green or subpetaloid, persistent
  • Petals 3, longer than sepals, shortly connate at base, lanceolate to linear, 1 smaller than others, petaloid
  • Stamen 1, petaloid, bearing a half anther laterally; staminodes 1-4, petaloid, more conspicuous than petals, one next to stamen forming a lip
  • Ovary inferior, 3-locular, verrucose with many axile ovules; style petaloid with an oblique terminal stigma
  • Capsule triangular, verrucose
  • Seeds usually freed by deterioration of capsular tissues, globose, hard, dark
  • x = 9

Nomenclature:

  • *Canna L.
    • Linnaeus: 1 (1753)
    • Winkler: 640 (1930)

Distribution & Notes:

  • Southern Africa: Species 1: Canna indica L. (Indian Shot) naturalised in warm, moist parts, possibly introduced for use of the seeds in rattles; Canna x generalis L.H.Bailey is an occasional garden hybrid

References:

  • LINNAEUS, C. 1753. Species plantarum. Laurentius Salvius, Stockholm
  • WINKLER, H. 1930. Cannaceae. Die natürlichen Pflanzenfamilien, edn 2, 15a