(Silverleaf Phacelia)

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Phacelia hastata, Hwy 9, Fremont Co. 0611

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Phacelia hastata, Hwy 9, Fremont Co. 0618

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Phacelia hastata, Hwy 9, Fremont Co. 0632

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Phacelia hastata, Hwy 9, Fremont Co. 0604

Scientific Name Phacelia hastata USDA PLANTS Symbol PHHA
Common Name Silverleaf Phacelia ITIS Taxonomic Serial No. 31529
Family Boraginaceae (Forget-me-not), formerly Hydrophyllaceae UW Burke Herbarium Ref. Click Here
Description Life zones and habitat: Foothills to subalpine (5200 to 11000 ft.); often sandy soils in dry, open areas.
Plant: Erect perennial up to 20 inches tall; single or usually several stems branching from base, covered with short fine hairs.
Leaves: Leaves basal and on stems; oblanceolate to elliptic, 3/4 to 4 inches long, entire or (rarely) with a pair of basal lobes (the name notwithstanding...); blades prominently veined; basal leaves petiolate and growing in tufts; stem leaves becoming smalller and sessile upward.
Inflorescence: Compact bristly cymes, initially almost spherical but opening to become a coiled scorpioid shape; small bell-shaped flowers, corolla with 5 lobes about 1/8-inch long, dull white becoming brownish; protruding stamens and style.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Montana Field Guide and UW Burke Herbarium.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

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