Geranium viscosissimum

(Sticky Purple Geranium)

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Geranium caespitosum, Fourmile Area, Chaffee Co. 6451

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Geranium viscosissimum, Gore Pass, Grand Co. 2092-1

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Geranium viscosissimum, Gore Pass, Grand Co. 2100

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Yellow-tipped glandular hairs, Geranium viscosissimum, Gore Pass, Grand Co. 2092-2

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Leaves, Geranium viscosissimum, Gore Pass, Grand Co. 2095

Scientific Name Geranium viscosissimum USDA PLANTS Symbol GEVI2
Common Name Sticky Purple Geranium ITIS Taxonomic Serial No. 29125
Family Geraniaceae (Geranium) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (6500 to 10000 ft.); along roadsides, aspen groves, meadows, forests.
Plant: Perennial 1 to 3 feet tall with erect or ascending branched stems; stems short-hairy below, long hairy and often glandular-hairy above.
Leaves: On stalks from lower portions of stems, leaves are 2-1/2 to 4-3/4 inches wide and palmately-divided to ~3/4 of their length into 5 to 7 wedge- to diamond-shaped segments with lobes with sharp tips; surfaces hairy and somewhat glandular.
Inflorescence: Open clusters of flowers about 1-inch across on branched, hairy, sticky stalks with 5 light pink to purple petals with darker veins, 5 narrow green sepals beneath; pedicels and sepals with glandular hairs tipped with yellow glands.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, E-Flora BC 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