e-Key v3 - Key to Bignoniaceae Genera
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.
Backtrack a
  • Ovary unilocular
  • Fruit indehiscent, fleshy and fibrous within
  • Seeds not winged
b
  • Ovary bilocular
  • Fruit capsular
  • Seeds winged
Backtrack a
  • Capsule slightly compressed, covered with prickly warts
b
  • Capsule compressed, smooth
Backtrack a
  • Calyx spathe-like, split down posterior side
b
  • Calyx 5-toothed or -lobed
Backtrack a
  • Capsule suborbicular
  • Leaves bipinnate
b
  • Capsule linear, linear-oblong or oblong to elliptic
  • Leaves simple, bifoliolate or pinnate
Backtrack a
  • Lianas
  • Leaves often with a terminal trifid tendril
b
  • Trees, shrubs, or subshrubs
  • Leaves without tendrils
Backtrack a
  • Stamens 5
  • Ovules in 2 rows in each locule
  • Fruit beaked
b
  • Stamens 4, staminode 0 or 1
  • Ovules in 2-8 rows in each locule
  • Fruit not beaked
Backtrack a
  • Corolla tube curved, narrowly funnel-shaped
  • Stamens exserted (= Tecomaria )
b
  • Corolla tube cylindrical below, campanulate above
  • Stamens included
Backtrack a
  • Calyx inflated
  • Scrambling shrub or subshrub
  • Flowers pink
b
  • Calyx not inflated
  • If shrub then not scrambling
  • Flowers yellow