Erigeron strigosus Muhlenberg ex Willdenow var. strigosus . Common name: Common Rough Fleabane, White-top. Phenology: Late Apr-Oct. Habitat: Roadsides, disturbed areas; open woodlands. Distribution: NS west to WA, south to c. peninsular FL and TX.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, NE, Pa, Tn, Va, Noyes, Gerling, & Vandervoort (2006); = Erigeron strigosus Muhl. ex Willd. – Mi; < Erigeron ramosus (Walter) Britton, Sterns, & Poggenb. – S; < Erigeron strigosus Muhl. ex Willd. – Fl7, NY, Oh3, RAB, Tat, Tx, W, WH3, WV; > Erigeron strigosus Muhl. ex Willd. var. beyrichii – C, F, G, GrPl, Il, K1, K3, NcTx, SE1, Allison & Stevens (2001); < Erigeron strigosus Muhl. ex Willd. var. strigosus – FNA20, K1, K3, K4; > Erigeron strigosus Muhl. ex Willd. var. strigosus – C, F, G, GrPl, Il, NcTx, SE1, Allison & Stevens (2001)
Links to other floras: < Erigeron strigosus var. strigosus - FNA20
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC (name change)
- Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
- Great Plains: FACU (taxonomic split from wetland indicator species)
- Midwest: FACU (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)
Heliophily ⓘ: 8
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Horticultural Information
Intro: Erect annual (rarely a biennial) of open woodlands, roadsides and disturbed areas.
Stems: Stems slender, branched above, ribbed and with short hairs pressed upward against the stem..
Leaves: Leaves alternate, linear to spoon-shaped, 1/2-4 in.long, mostly entire and rough-hairy (basal leaves, usually withered by flowering, toothed near the tip).
Inforescence:
Flowers: Daisy-like compound flowers (heads) at ends of branches; heads 1/2 in. wide, with 40-100 threadlike, white to pale pink ray florets encircling the yellow center composed of tiny, tubular disk florets; surrounding the saucer-shaped base of the head are several whorls of hairy, narrow, green bracts.
Fruits:
Comments: The similar E. strigosus var. calcicola is a rhizomatous perennial of shallow soils over calcareous rock; its stem leaves are usually smooth, except along the midvein and margins.
Height: 1-4 ft.
plant sale text:
bloom table text:
description: Erect annual (rarely a biennial) of open woodlands, roadsides and disturbed areas.
stems: Stems slender, branched above, ribbed and with short hairs pressed upward against the stem..
leaves: Leaves alternate, linear to spoon-shaped, 1/2-4 in.long, mostly entire and rough-hairy (basal leaves, usually withered by flowering, toothed near the tip).
inflorescence:
flowers: Daisy-like compound flowers (heads) at ends of branches; heads 1/2 in. wide, with 40-100 threadlike, white to pale pink ray florets encircling the yellow center composed of tiny, tubular disk florets; surrounding the saucer-shaped base of the head are several whorls of hairy, narrow, green bracts.
fruits:
comments: The similar E. strigosus var. calcicola is a rhizomatous perennial of shallow soils over calcareous rock; its stem leaves are usually smooth, except along the midvein and margins.
cultural notes:
germination code:
native range: