Erigeron species

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Scientific Name Erigeron modestus USDA PLANTS Symbol
ERMO2
Common Name Plains Fleabane ITIS Taxonomic Serial No.
35904
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Dry rocky or gravelly sites; sand, clay, limestone, granite, often in oak or oak-juniper shrubland.
Plant: Low-growing, clump-forming perennial with multiple fine, hairy stems 3 to 16 inches tall.
Leaves: Basal leaves about 2 inches long, hairy, oblanceolate, usually with a few coarse teeth on lobes; stem leaves 3/8 to 3/4 inch long, hairy, narrowly oblong, linear or oblanceolate.
Inflorescence: Small blossoms 1/2 to 3/4-inch across, 24 to 65 white ray flowers, yellow disk florets.
Bloom Period: Spring, usually.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "wildflowers of the Texas Hill Country" by Marshall Enquist, and SEINet.
Texas Status
Native
Scientific Name Erigeron philadelphicus USDA PLANTS Symbol
ERPH
Common Name Philadelphia Fleabane ITIS Taxonomic Serial No.
35809
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Variable soil conditions, usually moist loam.
Plant: Erect short-lived perennial, 8 to 30 inches tall; stems and leaves usually with spreading hairs.
Leaves: Basal leaves 1 to 4 inches long, narrow to broadly oblanceolate or obovate, may be pinnately-lobed or have coarsely toothed edges; stem leaves smaller and are clasping, with oblanceolate blades with toothed edges.
Inflorescence: Several flowers in clusters, heads 1/2 to 3/4-inch across, many (150-250) thin thread-like ray petals, white, sometimes pink-tinged; nodding flower buds before blooming.
Bloom Period: March to May.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of the Texas Hill Country" by Marshall Enquist, and SEINet.
Texas Status
Native
Scientific Name Erigeron strigosus USDA PLANTS Symbol
ERST3
Common Name Prairie Fleabane, Daisy Fleabane ITIS Taxonomic Serial No.
35951
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Open, loamy soils.
Plant: Erect short-lived perennial, somewhat hairy stems, 12 to 28 inches tall.
Leaves: Basal leaves spatulate to linear, 2 to 6 inches long; stem leaves are petiolate, smaller, lanceolate to linear; surfaces may be smooth or slightly hairy; edges may have a few teeth.
Inflorescence: Several to many flowers in clusters, each head 1 inch across, 50-100 white ray petals (fewer than E. philadelphicus).
Bloom Period: April to June.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet.
Texas Status
Native


© Tom Lebsack 2018