A dialectal or regional name for a type of plant or yew tree, possibly related to 'cubby' (enclosed) and 'yew' (a type of evergreen tree).
From cubby (enclosed space) + yew (a type of tree, from Old English 'iw'). This appears to be a rare or dialectal compound that combines references to the enclosed growth pattern of certain yew varieties with their name.
Regional plant names like 'cubbyyew' are disappearing as standardized botanical terms take over—but they're fascinating because they show how people described plants based on what they noticed! The 'cubby' part likely refers to how dense and enclosed these trees can feel.
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