E-Flora BC: Electronic Atlas of the Flora of British Columbia

Erigeron philadelphicus L. var. philadelphicus
Philadelphia fleabane
Asteraceae (Aster family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #7348)

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Distribution of Erigeron philadelphicus var. philadelphicus
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Species Information

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Biennial or short-lived perennial herb with a short, simple stem-base, rarely annual; stems erect, usually solitary, branched above, more or less hairy with long, spreading hairs, occasionally nearly glabrous, 20-70 cm tall.
Basal leaves broadly oblanceolate to egg-shaped, coarsely round-toothed or lobed, rounded at the tips, hairy like the stems, narrowly tapering to a short stalk, 15-30 cm long, 1.5-12 cm wide; stem leaves similar, becoming reduced and unstalked upwards, clasping at the base, round- to sharp-toothed.
Heads with ray and disk flowers, 1 to many in an open inflorescence, the disks 6-15 mm wide; involucres 4-6 mm tall; involucral bracts more or less stiff-hairy with flattened hairs or sometimes nearly glabrous, tapering to a slender tip, equal, light greenish or brownish with the translucent margins occasionally purplish; ray flowers numerous, about 150, deep pink to reddish-purple or white, 5-10 mm long, 0.2-0.6 mm wide; disk flowers 2.5-3.2 mm long.
Achenes 2-nerved, sparsely hairy; pappus of 20-30 bristles, often shorter than the disk flowers.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Habitat Range: Moist to mesic grasslands, shrublands and open forests in the lowland, steppe and montane zones; frequent throughout all but NW BC; N to YT and NT, E to NF and S to FL, TX and CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Erigeron philadelphicus var. glaber Henry
Erigeron philadelphicus var. scaturicola (Fernald) Fernald
Erigeron purpureus Aiton

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References