Potentilla effusa

(Branched Cinquefoil)

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9566

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9571

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9573

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9577

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9574

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Potentilla effusa, Along FR 373, Four Mile Area, Chaffee Co. 9584

Scientific Name Potentilla effusa (Potentilla hippiana var. effusa) USDA PLANTS Symbol POEF
Common Name Branched Cinquefoil ITIS Taxonomic Serial No. 24706
Family Rosaceae (Rose) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (6000 to 11500); sunny open areas, meadows, hillsides and gravelly slopes.
Plant: Perennial in low clumps, up to 20 inches tall and several feet wide; much-branched with slender, whitish, hairy, leaning or tangled stems.
Leaves: Mostly basal and crowded, 2 to 6 inches long overall, pinnately-divided into 5 to 13 leaflets, oblanceolate, 1/2 to 1-1/2 inches long; margins are toothed at least on the upper part; both surfaces are similarly covered with woolly hairs. See photos.
Inflorescence: Branching cyme with ascending branches of a few to several yellow flowers, each with 5 petals, sometimes with shallowly-notched tips, each about 1/4-inch long, about the same length as sepals; sepals are pointed an have hairy edges.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America, SEINet and American Southwest.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County