The rose subfamily Rosoideae consists of more than 850 species, including many shrubs, perennial herbs, and fruit plants such as strawberries and brambles. Only a few are annual herbs.
The circumscription of the Rosoideae is still not wholly certain; recent genetic research[1] has resulted in several changes at the genus level and the removal from Rosoideae of some genera (notably Cercocarpus, Cowania, Dryas and Purshia) previously included in the subfamily.
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