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Rhamnus cathartica Common buckthorn

Rhamnus cathartica Common buckthorn. Rhamnus cathartica ID: Leaves. dark green, glossy 3-4 pairs of upturned veins opposite to sub-opposite leaves stay green well into fall. Rhamnus cathartica ID: Twigs. thorn replaces terminal bud at tips of stems

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Rhamnus cathartica Common buckthorn

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  1. Rhamnus cathartica Common buckthorn

  2. Rhamnus cathartica ID: Leaves • dark green, glossy • 3-4 pairs of upturned veins • opposite to sub-opposite • leaves stay green well into fall

  3. Rhamnus cathartica ID: Twigs • thorn replaces terminal bud at tips of stems • thorn is short, stout, can be sharp or blunt

  4. Rhamnus cathartica ID: Bark • outer bark is gray • inner bark is bright yellow

  5. Rhamnus cathartica ID: Flowers • present in spring • small, yellow-green • clustered at base of leaves

  6. Rhamnus cathartica ID: Fruit • on females trees only • green early, turn to black • contain 2- 4 seeds • may hang on till March

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