Draba streptobrachia

(Alpine Tundra Draba)


Draba streptobrachia, Crystal Lakes, Summit Co. 1192

Scientific Name Draba streptobrachia USDA PLANTS Symbol DRST5
Common Name Alpine Tundra Draba ITIS Taxonomic Serial No. 22919
Family Brassicaceae (Mustard) SEINet
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Description Life zones and habitat: Alpine (12000 to 14000 ft.); talus slopes and scree, rock crevices. Endemic to high altitudes in Colorado.
Plant: Very short, spreading perennial, 1/2 to 5 inches tall; somewhat hairy stems and foliage.
Leaves: Basal leaves in a rosette, narrow oblanceolate to linear-oblanceolate, blades 1/4 to 1-1/4 inches long; 1 to 5 stem leaves, sessile, oblong to ovate or linear.
Inflorescence: Racemes of 4 to 10 small, 4-petaled, bright yellow flowers 1/4-inch across with green, somewhat hairy sepals; no bracts.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield and Flora of North America.
BONAP Distribution Map

Map Color Key
Colorado Status:

© Tom Lebsack 2024

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