SULPHUR CINQUEFOIL
File Size: 60 KB
 
Potentilla recta  L.
Cloud County, Kansas
Perennial
Height: 12- 30 inches
Family: Rosaceae - Rose Family
Flowering Period:   May, June
Stems: Erect, 1-3, stout, simple to inflorescence, coarsely hairy.
Leaves: Alternate, long-stalked below, nearly sessile above, palmately compound; leaflets 3-7, narrowly oblanceolate, 1-3 inches long, more or less coarsely hairy, pale below, middle leaflet longest; margins strongly toothed; tips blunt; stipules conspicuous, lanceolate to ovate, 1/2 to 1 inch long.
Inflorescences: Cymes, many-flowered, terminal; branches ascending.
Flowers: 1/2 to 1 inch wide; sepals 5, lanceolate, alternating with 5 narrowly lanceolate bracts; petals 5, 1/4 to 1/2 inch long, sulphur yellow; tips deeply notched; stamens 20-30.
Fruits: Achenes, ovate to kidney-shaped, small, distinctly ribbed, dark brown to reddish purple, enclosing 1 tiny seed.
Habitat: Roadsides, waste areas, old fields, and pastures.
Distribution: East 1/2 of Kansas.
Origin: Introduced
Uses: Native Americans applied the crushed leaves and stems of sulphur cinquefoil to open wounds and sores. Deer and sheep eat sulphur cinquefoil.
Comments: This species occurs widely in Europe and is a serious weed in the northern Great Plains.
 Related to Old-field cinquefoil .

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