Oenothera pilosella Raf.
Family: Onagraceae
Oenothera pilosella image
Paul Rothrock  
Fibrous-rooted, shortly rhizomatous perennial to 8 dm, simple or branched above, pilose-hirsute, especially above, with hairs 1-3 mm (seldom subglabrous); lvs lanceolate or lance-elliptic, 3-10 נ0.5-2.5 cm, mostly sessile, acute or acuminate, remotely denticulate or dentate or entire; infl compact, many-fld, the buds erect; fls diurnal, out- crossing, hypanthium (1-)1.5-2.5 cm; sep 1-2 cm, their free tips 1-3 mm; pet (1-)1.5-2.5 cm, notched at the summit; filaments alternately unequal; anthers 4-8 mm; style 10-20 mm; fr elliptic or linear-elliptic to rather narrowly clavate, the body 8-15 mm, tapering to a sessile or shortly pedicel-like base; 2n=56. Moist soil, wet meadows, fields, and open woods; Io. and s. Wis. to La., e. to s. Ont., w. N.Y., and w. W.Va., and occasionally escaped as far e. as Vt., Mass., and Va. May-July. (O. pratensis; Kneiffia p.; O. fruticosa var. hirsuta)

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.
Oenothera pilosella image
Paul Rothrock  
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Kathy M. Davis, University of Florida Herbarium  
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image
Oenothera pilosella image