Rosaceae - rose family
1600 Apeldoorn Ave., Ottawa, Ontario, Canada, K2C1V5 |
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Potentilla argentea L., silvery cinquefoil, potentille argentée Perennial, spreading by seeds; apomictic; prostrate to semi-erect; flowers yellow; throughout, but most common in western Quebec, Ontario, and southward; pastures, lawns, roadsides, and waste places; introduced from Europe. Potentilla norvegica L., rough cinquefoil, potentille de Norvège Biennial or short-lived perennial, spreading by seeds; stems 6 inches to 2 feet (15 cm. to 6 dm.) high; flowers yellow; throughout; grain fields, pastures, gardens, open woods, and waste places; native of North America. Potentilla recta L., sulfur cinquefoil, potentille dressée Perennial, spreading by seeds; flowering stems 6 to 18 inches (15 to 45 cm.) high; petals sulfer yellow; throughout, but most abundant in western Quebec, Ontario, and southward; pastures, hayfields, roadsides, and waste places; introduced from Europe. Spiraea alba Du Roi, narrow-leaved meadowsweet, spirée blanche Perennial shrub, up to 4 feet (12 dm.) high; flowers white; in the eastern half of our area; old fields, roadsides, and waste places; native to North America. Spiraea tomentosa L., hardhack, spirée tomenteuse A small erect native shrub from 2 to 4 feet (6 to 12 dm.) high. Petals pink to rose; lower surfaces of leaves covered with dense, wooly, often tan-colored, hairs. Moist locations in meadows, old fields, and pastures in the eastern half of our area. Click on a photo to view an enlarged image.
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