Sulphur cinquefoil

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Sulphur cinquefoil

Sulphur cinquefoil habit

Sulphur cinquefoil

Sulphur cinquefoil

Sulphur cinquefoil

Sulphur cinquefoil habit

Sulphur cinquefoil flower

Sulphur cinquefoil

Sulphur cinquefoil flowers

Sulphur cinquefoil leaf

Sulphur cinquefoil leaf

Sulphur cinquefoil leaves

Sulphur cinquefoil

Morphology

Stem

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.

Inflorescence

Cymes, many-flowered, terminal; branches ascending.

Flower

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.

Fruit

Achenes, ovate to kidney-shaped, small, distinctly ribbed, dark brown to reddish purple, enclosing 1 tiny seed.

Ecology

Habitat

Roadsides, waste areas, old fields, and pastures.

Distribution

East 1/2 of Kansas.

Practical Information

Uses

Native Americans applied the crushed leaves and stems of sulphur cinquefoil to open wounds and sores. Deer and sheep eat sulphur cinquefoil.

Additional Notes