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Grayhead prairie coneflower

Ratibida pinnata (Vent.) Barnhart

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Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower leaf
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower
Grayhead prairie coneflower leaf
Grayhead prairie coneflower habit
Grayhead prairie coneflower

Morphology

Stem
Erect, slender, single or clustered, sometimes branched above, grooved, more or less stiff-hairy.
Leaves
Alternate, long-stalked below, nearly sessile above, to 10 inches long, pinnately 3-7-divided; segments lanceolate, widest at middle, stiff-hairy; margins coarsely toothed to entire; tips pointed; upper leaves reduced.
Inflorescence
Heads, 1 to several, terminal, on long, stiff stalks, oblong to rounded, 1/2 to 1 inch tall, 2/5 to 4/5 inch wide; bracts 10-14, in 2 series, linear to linear-oblong.
Flower
Ray florets 6-13, 1 to 2.5 inches long, yellow, drooping; tips toothed; disk florets with brownish corollas, each covered by gray scale prior to opening.
Fruit
Achenes, short, flattened, tips without bristles or scales, enclosing small seed.

Ecology

Habitat
Dry prairies, disturbed areas, roadsides, and woodland edges, most abundant on limestone or chalk soils.
Distribution
East 1/3 of Kansas.

Practical Information

Forage Value
Livestock graze young plants.
Uses
Native Americans used the root to treat toothaches.

Additional Notes

Comments

Grayhead prairie coneflower can be grown easily from seeds and makes an attractive addition to flower gardens.

Quick Facts
Plant Type
Wildflower
Family
Asteraceae - Sunflower Family
Life Span
Perennial
Height
3-5 feet
Last Updated
2018-02-22
Color Groups
Yellow Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August