Erigeron species

DSC 2545

Tall Fleabane (Erigeron elatior)

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Scientific Name Erigeron elatior USDA PLANTS Symbol
EREL9
Common Name Tall Fleabane, Daisy ITIS Taxonomic Serial No.
35857
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
Description Life zones and habitat: Subalpine; meadows.
Plant: Erect perennial 8 to 24 inches tall; leafy, somewhat hairy stems.
Leaves: Hairy, mostly stem leaves, ovate to lanceolate, 1-1/4 to 3-1/2 inches long; upper leaves clasping the stem.
Inflorescence: Very hairy, pink nodding buds; composite flower with many (75-150) white-to-pink-to-lavender ray florets (petals), yellow disk florets, very hairy phyllaries below.
References: Descr. adapted from SEINet and others.
Colorado Status
Native
Scientific Name Erigeron glacialis (Erigeron peregrinus) USDA PLANTS Symbol
ERPEC
Common Name Subalpine Fleabane, Subalpine Daisy ITIS Taxonomic Serial No.
780312
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine; moist areas in meadows, tundra.
Plant: Erect perennial 3 to 18 inches tall; smooth to slightly hairy and sticky stems.
Leaves: Stalked basal leaves 1-1/2 to 6 inches long, thick, narrow, lanceolate to spatulate; much smaller upper leaves are lanceolate to ovate, sessile or clasping, sometimes slightly hairy.
Inflorescence: Composite flower heads about 1-1/2 inches across with many (30-105) ray florets, deep pink to purple, sometimes white to pale blue, with yellow disk florets in the center; generally smooth, glandular phyllaries with pointed, spreading tips.
References: Descr. adapted from "Guide to Colorado Wildflowers" by G.K. Guennel, Jepson eFlora and SEINet.
Colorado Status
Native
Scientific Name Erigeron grandiflorus (Erigeron simplex) USDA PLANTS Symbol
ERGR3
Common Name Large-flower Daisy ITIS Taxonomic Serial No.
35876
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Alpine; tundra, rocky areas.
Plant: Erect perennial up to 10 inches tall, usually shorter; single, somewhat hairy stems.
Leaves: Spatulate; basal leaves are petiolate; upper leaves are much smaller, sessile and few; both are hairy.
Inflorescence: Single composite head fairly large, up to 2 inches across with many (50 to 130) white to light-blue ray florets (petals), yellow disk florets and purplish hairy phyllaries below.
References: Descr. adapted from www.americansouthwest.net and SEINet.
Colorado Status
Native
Scientific Name Erigeron leiomerus USDA PLANTS Symbol
ERLE6
Common Name Rockslide Daisy ITIS Taxonomic Serial No.
35892
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Alpine; talus slopes, rocky areas.
Plant: Short, leafy perennial 2 to 5 inches tall.
Leaves: Basal and stem leaves, up to 3 inches long, narrowly spatulate, smooth and mostly hairless.
Inflorescence: Single composite flower head per stem, each with 15-60 white to blue or purple ray florets (petals) and yellow disk florets; phyllaries below are often purplish and mostly hairless.
References: Descr. adapted from www.americansouthwest.net and SEINet.
Colorado Status
Native
Scientific Name Erigeron pinnatisectus USDA PLANTS Symbol
ERPI6
Common Name Featherleaf Fleabane ITIS Taxonomic Serial No.
35926
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine; meadows and boulder fields, rocky tundra.
Plant: Short perennial up to 5 inches tall with erect stout, curved stems.
Leaves: Basal, stalked leaves up to 2 inches long, dissected into finger-like lobes.
Inflorescence: Composite flower head about 1 inch across, one per stem, each with 40 to 70 lavender ray florets (petals), yellow disk florets; phyllaries somewhat hairy.
References: Descr. adpated from "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
Colorado Status
Native
Scientific Name Erigeron speciosus USDA PLANTS Symbol
ERSP4
Common Name Showy Daisy, Aspen Fleabane ITIS Taxonomic Serial No.
35950
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane and subalpine; open areas, meadows.
Plant: Perennial up to 32 inches tall with shiny, slightly hairy stems.
Leaves: Basal and stem leaves lanceolate and without stalks, upper are clasping; slightly hairy faces and hairy edges.
Inflorescence: Composite flower heads about 1 inch across in corymbiform arrays. each with many (75 to 150) blue-ish to lavender rays and yellow disk florets; green and white phyllaries below.
Reference: Descr. adapted from "Guide to Colorado Wildlowers" by G.K. Guennel and SEINet.
Colorado Status
Native


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© Tom Lebsack 2017