− | Sibbaldia (named for Robert Sibbald, Scotch naturalist). Rosaceae. Low and depressed perennials, hardy and rare in cult., sometimes used in alpine-gardening: lvs. 3-foliate, alternate; stipules prominent: fls. cymose, yellow, small; calyx flattish, 5-cleft and with 5 bractlets; petals 5, linear-oblong, minute; stamens 5, alternate with the petals: achenes 5-10. — About 5 species, natives of the colder parts of the North Temperate Zone. Reduced by Bentham and Hooker to a section of Potentilla, but separated by most authorities. | + | ''Sibbaldia'' (named after Robert Sibbald, Scottish naturalist). Rosaceae. Low and depressed perennials, hardy and rare in cult., sometimes used in alpine-gardening: lvs. 3-foliate, alternate; stipules prominent: fls. cymose, yellow, small; calyx flattish, 5-cleft and with 5 bractlets; petals 5, linear-oblong, minute; stamens 5, alternate with the petals: achenes 5-10. — About 5 species, natives of the colder parts of the North Temperate Zone. Reduced by Bentham and Hooker to a section of ''Potentilla'', but separated by most authorities. |