Picris hieracioides L.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - Biennial or short-lived perennial 2–10 dm, with the aspect of Hieracium, spreading-hispid to subglabrous; lowest lvs oblanceolate, 7–30 cm (petiole included) × 0.5–5 cm, often deciduous, the others lanceolate or oblong, sessile and often clasping, reduced; heads several in a corymbiform infl; invol 8–15 mm, its bracts imbricate, less than 3 mm wide; achenes evidently rugulose, 3.5–6 mm, narrowed above but only very shortly and stoutly if at all beaked; pappus readily deciduous as a unit; 2n=10. Waste places; native of Eurasia, occasionally found in our range. July–Sept.
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Common Names
hawkweed ox-tongue