name for several plants, e.g., the oxeye daisy
and black-eyed Susan
, but particularly for two genera: Heliopsis,
native to North America, and Buphthalmum,
native to Europe and W Asia but cultivated elsewhere. Both are perennials of the family Asteraceae (aster
family) and are grown as ornamentals for their showy yellow heads. Oxeyes are classified in the division Magnoliophyta
, class Magnoliopsida, order Asterales, family Asteraceae.
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