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Syringa

See list of 4 species in this genus

Reference: Li et al. (2001).

  • 1a. Basal, connate portion of the corolla about as long as or slightly longer than the calyx 
lobes [Fig. 737]; filaments relatively long, exserted beyond the connate, tubular portion of 
the corolla [Fig. 737]; corolla white to cream
  • 1b. Basal, connate portion of the corolla 2.5–8 times as long as the calyx lobes; filaments very short, not exserted beyond the connate, tubular portion of the corolla, the anthers subsessile; corolla usually light purple, though sometimes white, blue, purple, or red-purple
    • 2a. Terminal winter bud absent, the main axis of the branchlet not continuing growth in subsequent seasons; panicles produced only from lateral buds
    • 2b. Terminal winter bud present, the main axis of the branchlet continuing growth the following season; panicles produced, in part, from terminal buds
      • 3a. Corolla with a ± cylindrical connate portion and spreading lobes; panicle tending to arch or even droop; anthers inserted near opening of corolla
      • 3b. Corolla with a slender-funnelform connate portion and ascending lobes; panicle upright; anthers inserted well below opening of corolla

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 Show photos of:   Each photo represents one species in this genus.