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Rose is a common name for members of the genus Rosa of the rose family (Rosaceae). This large family, comprising more than 100 genera and 2,000–3,000 species, includes plants as diverse as strawberries, almonds and pears. Since 1930, the prickly rose has been the Provincial Floral Emblem of Alberta, where it grows abundantly.
Description
The genus Rosa comprises over 100 species of erect, climbing or trailing shrubs, plus cultivars. About 14 species are native to Canada, and many introduced species have become established. The prickly rose (R. acicularis), the largest and most widespread wild rose in Canada, is found from Quebec to BC and south to Virginia and New Mexico. This 1–1.5 m high shrub forms thick bushes that spring from underground shoots. It grows mainly in open, sunny areas. Its stems have slender spines and, in June, usually bear a single, delicately scented, pale or dark pink flower, 5 cm in diameter. The edible rose hips, which make excellent jams and jellies, are also enjoyed by birds. It is easily grown in sandy soil. Cultivated roses have been popular ornamentals since ancient times. Most ornamental roses are hybrids of European species.
