e-Key v3 - Key to Crassulaceae Genera
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
Backtrack a
  • Leaves spirally arranged, often in dense clusters
  • Flowers in a thyrse with monochasia, often single-flowered or spike-like
002
b
  • Leaves opposite or in whorls, at least on vegetative branches
  • Inflorescence a thyrse with dichasia ending in monochasia, rarely with a single, terminal or axillary flower ( Cotyledon woodii )
002
Backtrack a
  • Leaves soft, herbaceous, seasonal
  • Inflorescence a single-flowered to branched thyrse
Tylecodon
b
  • Leaves usually tough, perennial
  • Inflorescence a spike-like thyrse, rarely branched
Adromischus
Backtrack a
  • Leaves opposite, ± fused to one another
  • Stamens as many as calyx lobes
Crassula
b
  • Leaves opposite or spirally arranged, ± free
  • Stamens twice as many as calyx lobes
002
Backtrack a
  • Flowers 5-merous
Cotyledon
b
  • Flowers 4-merous
002
Backtrack a
  • Flowers erect
  • Filaments fused to corolla tube at or above middle
Kalanchoe
b
  • Flowers pendulous
  • Filaments fused to corolla tube in lower third
* Bryophyllum

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