Virtual Museum of Canada
Jardin botanique de Montréal 
Centre for Forest Research

Is it a tree? Yes! No! … Maybe?!? Expert

Wrong Answer

Wrong answer… The downy serviceberry exhibits polymorphic trunks: it can have multiple trunks as seen here, or a single trunk. It therefore meets both definitions.

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The Amelanchier arborea

Downy serviceberry (Amelanchier arborea)

© Jardin botanique de Montréal (Daniel Fortin)