Draba crassa

(Thick-leaf Draba)


Draba crassa, Mosquito Pass, Park Co. 2974


Draba crassa, Mosquito Pass, Park Co. 2965

Scientific Name Draba crassa USDA PLANTS Symbol DRCR
Common Name Thick-leaf Draba ITIS Taxonomic Serial No. 22871
Family Brassicaceae (Mustard) SEINet
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Description Life zones and habitat: Subalpine and alpine (10500 to 14000); meadows, scree slopes and tundra.
Plant: Perennial branched from base with several upright or leaning, unbranched stems, 2 to 6 inches tall; stems smooth below and hairy upwards.
Leaves: Basal leaves with petioles in a rosette, thick, narrow, oblanceolate, 3/4 to 2-3/8 inches long, smooth surfaces, often ciliate and sometimes reddish margins; a few similar but smaller sessile, stem leaves, oblong to lanceolate or ovate.
Inflorescence: Short, dense racemes of many (8 to 15) small, 4-petaled, bright yellow flowers with green, purplish-tinged sepals.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Alpine Flora of the Rocky Mountains" by Richard Scott, SW Colorado Wildflowers and Flora of North America.
BONAP Distribution Map

Colorado Status:

© Tom Lebsack 2022

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