Draba species

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Scientific Name Draba albertina USDA PLANTS Symbol DRAL4
Common Name Slender Draba ITIS Taxonomic Serial No. 22853
Family Brassicaceae (Mustard) SEINet
Reference
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Description Life zones and habitat: Foothills to alpine (7500 to 12500); moist areas in meadows, forests and along streambanks.
Plant: Erect annual, biennial or perennial 1 to 12 inches tall, delicate, somewhat hairy or often smooth stems branched from base and leaf axils.
Leaves: Fleshy leaves with pubescent-hairy surfaces and entire or denticulate margins, mostly in basal rosette, with few on stems; basal leaves oblanceolate to obovate or linear-lanceolate 3/8 to 1-5/8 inches long; stem leaves lanceolate to elliptic or ovate.
Inflorescence: Open racemes of somewhat inconspicuous, very small yellow flowers with 5 yellow rounded petals and 5 smooth or slightly hairy sepals.
Bloom PeriodMay to July.
References: "Flora of Colorado" by Jenifer Ackerfield and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Draba aurea USDA PLANTS Symbol DRAU
Common Name Golden Draba ITIS Taxonomic Serial No. 22863
Family Brassicaceae (Mustard) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (8200 to 13500 ft.); meadows, slopes, open woods.
Plant: Erect perennial 2 to 14 inches tall; hairy, leafy stem.
Leaves: Basal leaves petiolate, in rosette, thick, oblanceolate to obovate or spatulate, 3/8 to 1-1/2 inches long; stem leaves sessile, ovate to oblong.
Inflorescence: Dense racemes of many (18 to 50+) 4-petaled, bright yellow flowers with greenish sepals.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Draba crassa USDA PLANTS Symbol DRCR
Common Name Thick-leaf Draba ITIS Taxonomic Serial No. 22871
Family Brassicaceae (Mustard) SEINet
Reference
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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, www.swcoloradowildfowers.com and Flora of Morth America.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Draba crassifolia USDA PLANTS Symbol DRCR2
Common Name Snowbed Draba ITIS Taxonomic Serial No. 22872
Family Brassicaceae (Mustard) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9000 to 13500 ft.); woodlands, meadows, tundra, talus and scree.
Plant: Short, erect annual or short-lived perennial with smooth, usually leafless stems; 1/2 to 6 inches tall.
Leaves: Basal leaves with hairy petioles in a rosette, narrow oblanceolate to obovate blades up to 1 inch long with smooth or sometimes ciliate margins; usually no stem leaves.
Inflorescence: Racemes of 4 to 15 small, 4-petaled, bright yellow flowers with smooth, green or purple ovate sepals and no bracts.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Draba streptobrachia USDA PLANTS Symbol DRST5
Common Name Alpine Tundra Draba ITIS Taxonomic Serial No. 22919
Family Brassicaceae (Mustard) SEINet
Reference
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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

Colorado Status:
Native

© Tom Lebsack 2020