Rhamnus cathartica (common buckthorn)
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Notes
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
Comments
Pictures
Many come from Steve Baskauf at Vanderbilt University