hagberry

English Wikipedia has an article on:

Prunus padus

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Wikispecies has information on:

Prunus padus

Wikispecies

From hag +‎ berry.

According to Some Folklore of Trees, Animals, and River-fishing from the N.E. of Scotland, "The wood of the 'hackberry' or bird-cherry (Prunus padus) is not used as a staff or for any other purpose, as it is looked on as the witch's tree."

hagberry (plural hagberries)

1. Prunus padus, a species of cherry native to northern Europe and northern Asia, the bird cherry.
2. Its bittersweet astringent fruit, readily eaten by birds.

• (tree): bird cherry
• (fruit): bird cherry, hag, hackberry