Rhamnus cathartica (common buckthorn)

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Key Characteristics

  • Leaves sub-opposite, simple, ovate in shape with an acuminate tip, arcuate veination, and finely serrate to crenate margins
  • Bark with horizontal lenticels
  • This species is invasive from Eurasia
  • Fruit is a black drupe with laxative effects
  • Twigs are straight and ashy, possessing a terminal thorn in some cases (instead of a bud), also has deer-hoof shaped lateral buds and short shoots, pith is yellowish
  • Sourced during a field lab in Fall 2011


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Many come from Steve Baskauf at Vanderbilt University

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