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Aquatic and Wetland Vascular Plants of the Northern Great Plains

Erigeron L. -- Fleabane

Biennial to perennial herbs with simple, alternate leaves. Heads radiate, hemispheric, few to many in a terminal inflorescence; involucral bracts in 1 or 2 series, linear, equal or the outer ones a little shorter, hyaline at the tip and on the margins above, green in the middle and at the base; receptacle flat to slightly convex; outer 1-few rows of florets pistillate, with narrow, white to pink ligules 0.1-0.6 mm wide; disk florets perfect, their corollas yellow; style branches flattened, the appendages short, obtuse or acute. Achenes 2- to 4-nerved; pappus of 20-30 capillary bristles.

Lead Characteristic Go To
1 Leaves not clasping; rays inconspicuous. E. lonchophyllus
1 Leaves auriculate-clasping; rays conspicuous. E. philadelphicus

49. Asteraceae, the Aster Family
8. Erigeron L. -- Fleabane
1. Erigeron lonchophyllus Hook
2. Erigeron philadelphicus L. -- Philadelphia fleabane

Return to Family -- Asteraceae - The Aster Family
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