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Potentilla / ˌ p oʊ t ən ˈ t ɪ l ə / [1] is a genus containing over 500 species of annual, biennial and perennial herbaceous flowering plants in the rose family, Rosaceae.. Potentillas may also be called cinquefoils in English, but they have also been called five fingers and silverweeds.
Potentilla pusilla, the spring cinquefoil or spotted cinquefoil, is a perennial species of flowering plant in the rose family . [1] It may grow up to the height of 5–15 cm (2-6 in). It was first scientifically described by H.G.L. Reichenbach in 1832. P.F.A. Ascherson later called it P. tabernaemontani, a name which is now invalid.
Potentilla norvegica is a species of cinquefoil known by the common names rough cinquefoil, [1] ternate-leaved cinquefoil, [2] and Norwegian cinquefoil. [ 3 ] [ 4 ] It is native to Europe, Asia, and parts of North America, and it can be found elsewhere as an introduced species .
Each flower has five calyx lobes, five broad, shallowly-notched petals, thirty stamens, many pistils and a separate gynoecium. The fruit is a receptacle containing several glossy, pale brown achenes. The plant may reproduce by seed or vegetatively by sprouting new shoots from its caudex. Sulphur cinquefoil flowers from June to August. [2] [3]
Potentilla argentea, known as hoary cinquefoil, [1] silver cinquefoil, [2] silvery cinquefoil, [3] or silver-leaf cinquefoil, [4] is a perennial herb (or forb) in the family Rosaceae. Potentilla argentea is native to Europe, Asia Minor, and Siberia, [ 3 ] and is introduced throughout temperate areas in North America and in New Zealand.
Potentilla simplex is a familiar plant with prostrate stems that root at nodes, with yellow flowers and 5-parted palmately pinnate leaves arising from stolons (runners) on separate stalks. Complete flowers bearing 5 yellow petals (about 4–10 mm long) bloom from March to June. It bears seed from April to July.
Potentilla basaltica is a species of flowering plant in the rose family known by the common names Soldier Meadows cinquefoil [2] and basalt cinquefoil. [3] It is endemic to a small area of the Modoc Plateau and Warner Mountains in northeastern California and northwestern Nevada .
The plant produces a basal rosette from a taproot, then a decumbent stem up to about 20 centimeters in maximum length. The elongated leaves are made up of several overlapping pairs of deeply lobed leaflets. The inflorescence at the tip of the stem is a cyme of a few flowers, each with usually five yellow petals under a centimeter long.