e-Key v3 - Key to Alismataceae Genera
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
Backtrack a
  • Leaves lanceolate to ovate, base a gradual continuation of the petiole or cuneate to cordate
002
b
  • Leaves sagittate or deeply cordate
002
Backtrack a
  • Plants dioecious
  • Petals minute or 0
  • Spike compound
  • Achenes irregularly crowded on receptacle
Burnatia
b
  • Plants monoecious or flowers bisexual
002
Backtrack a
  • Petals larger than the sepals
  • Spike compound
  • Achenes neatly arranged in a circle on the receptacle
Alisma
b
  • Petals smaller than the sepals
  • Spike simple with 5-10 whorls
  • Achenes few, not arranged in a circle
Wiesneria
Backtrack a
  • Leaves deeply cordate
  • Inflorescence in whorls of 3
  • Flowers bisexual
Caldesia
b
  • Leaves sagittate
  • Inflorescence with 4-7 whorls
  • Lower whorls bearing female or bisexual flowers, upper whorls bearing mostly male flowers
Limnophyton

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