Synonyms for Red Dogwood (same or very similar meaning)
WordNet sense 1 (European deciduous shrub turning red in autumn having dull white flowers):
blood-twig, pedwood, common European dogwood, Cornus sanguinea
WordNet sense 2 (common North American shrub with reddish purple twigs and white flowers):
redbrush, red osier, American dogwood, Cornus stolonifera, red osier dogwood
From the ODE community, based on WordNet
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