noun
a taxonomic suffix used in botanical names to indicate a family of plants, typically ending in -aceae
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The family Rosaceae includes many popular fruit-bearing plants such as apples, pears, and cherries.
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I planted some members of the Asteraceae family in my garden last spring.
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I love how the Fabaceae family of plants fix nitrogen in the soil.
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The Poaceae family of grasses can be found in almost every ecosystem on Earth.