Swertia perennis

(Star Gentian)

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Swertia perennis, Hoosier Pass, Summit Co. 4153/4162

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Swertia perennis, Hoosier Pass, Summit Co. 4274/4291

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Swertia perennis, Indiana Creek, Summit Co. 2129

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Swertia perennis, Mayflower Gulch, Summit Co. 8209

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Swertia perennis, Mayflower Gulch, Summit Co. 8224

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Swertia perennis, Loveland Pass, Clear Creek Co. 0684

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Swertia perennis, Loveland Pass, Clear Creek Co. 0703

Scientific Name Swertia perennis USDA PLANTS Symbol SWPE
Common Name Star Gentian ITIS Taxonomic Serial No. 30118
Family Gentianaceae (Gentian) SEINet
Reference
Click Here
Description Life zones and habitat: Foothills to alpine (7700 to 14000 ft); wet areas along streams, moist meadows and bogs.
Plant: Slender erect or leaning stem up to 18 inches tall, usually much shorter at elevation.
Leaves: Basal rosette, narrowly elliptic to obovate, up to 6 inches long; stem leaves nearly opposite and smaller.
Inflorence: Clusters of star-shaped deep purple to bluish-purple blossoms; 5 petals or lobes each with two dark purple, fringed nectary glands; 5 narrow, pointed sepals; 5 prominent protruding stamens.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

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