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<br />Common buckthorn (Rhamnus cathartica)
<br />
<br />Appearance: Tall understory shrub or small tree up to 25' high with a spreading loosely branched crown,
<br />often multiple stems at the base. Female and male plants.
<br />
<br />
<br />Leaves:
<br />Egg-
<br />sha ped,
<br />pointed at
<br />the tip,
<br />smooth,
<br />dark,
<br />glossy and
<br />finely-
<br />toothed. 3-
<br />5 pair of
<br />curved leaf
<br />veins.
<br />Leaves
<br />stay green
<br />late into
<br />fall.
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<br />Branch: Buds and
<br />leaves are
<br />opposite. Twigs
<br />often end in
<br />sharp, stout
<br />thorns.
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<br />Wood: Brown bark with
<br />elongate silvery corky
<br />projections (ca ution: native
<br />plums or cherries have a
<br />similar bark). Cut branch
<br />exposes yellow sapwood and
<br />orange heartwood.
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<br />
<br />Glossy buckthorn (Frangula alnus)
<br />
<br />Fruit: Large,
<br />round, berry-like
<br />clusters of black
<br />1/4" fruit. Ripens
<br />in August and
<br />September.
<br />
<br />Appearance: Tall understory shrub or small tree, grows up to 18' high, has a spreading loosely branched
<br />crown, often multiple stems at the base.
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