Relating to, belonging to, or characteristic of the Aceraceae family of plants, especially maples.
From Latin 'acer' (maple) + '-aceous' (adjective suffix meaning having the nature of). This adjectival form allows description of things that share maple characteristics.
When a botanist says 'aceraceous,' they mean something has the features of maples—and that includes that distinctive winged seed pod (samara) that helicopters down from trees every spring.
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