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Key to Rubus, Key B: Eurasian blackberries

Rosaceae

Rubus

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(c) Danielson, Erik
1 Leaves compound, the leaflets additionally laciniately divided; leaves green beneath
1 Leaves compound, the leaflets (merely) toothed; leaves grayish-tomentose beneath.
(c) Cappuccino, Naomi - CC0
  2 Prickles nearly straight; stems glabrescent; petals pale pink to deep pink
(c) Joshua - CC-BY
  2 Prickles recurved; stems canescent above; petals white to pale pink