Erigeron glabellus Nutt.
Source: USDA Plants_111306
Family: Asteraceae
Erigeron glabellus image
Kurt Stueber  
Biennials or perennials, 7-50(-70) cm; rhizomatous, caudices or rhizomes relatively short and thickened, simple or branched, usually appearing merely fibrous-rooted. Stems erect or slightly basally ascending, hirsute or hirsuto-villous to strigose or glabrate, eglandular. Leaves basal (persistent) and cauline; basal blades oblanceolate to oblanceolate-spatulate, 40-150 × 3-15 mm, margins usually entire, sometimes shallowly dentate, faces hirsute or hirsuto-villous to sparsely strigose or glabrate, eglandular; cauline blades usually becoming lanceolate, abruptly or gradually reduced distally (bases sometimes subclasping). Heads 1-15. Involucres 5-9 × 10-20 mm. Phyllaries in (2-)3-4 series (greenish) , hirsute to strigose, eglandular. Ray florets 125-175; corollas white to pink or blue, 8-15 mm, laminae (nearly filiform) coiling tardily at tips. Disc corollas 4-5.5 mm. Cypselae 1.2-1.5 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 16-20 bristles. Erigeron glabellus is recognized by its subsimple caudices and fibrous-rooted bases, relatively numerous rays with nearly filiform laminae, and nonglandular vestiture.

Hairy biennial or perennial 1-5 dm; lower lvs oblanceolate, to 15 cm נ15 mm or rarely more, the middle and upper ones evidently reduced, linear or lanceolate; heads solitary or several; disk 10-20 mm wide; invol 5-9 mm; rays 125-175, 8-15 mm, ca 1 mm wide, blue, pink or white; disk-cors 4.0-5.5 mm; pappus double; 2n=18, 36. Meadows, prairies, and open ground; Wis. to Alas. and Utah. Our plants, with spreading hairs, are the mostly northern var. pubescens Hook. (E. asper; E. abruptorum; E. drummondii; E. oligodontus; E. oxyodontus)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Erigeron glabellus image
Tony Frates  
Erigeron glabellus image
Kurt Stueber  
Erigeron glabellus image
Tony Frates  
Erigeron glabellus image
Homer Edward Price  
Erigeron glabellus image
Tony Frates  
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Tony Frates  
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