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alder buckthorn

American  

noun

  1. a shrub or small tree, Frangula alnus, of Eurasia and northern Africa, having nonedible red fruit that turns black when ripe.


alder buckthorn British  

noun

  1. a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of alder buckthorn

First recorded in 1860–65