Agrostemma githago 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
Caryophyllaceae
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Scientific Name
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Description
Species Description - Stem to 1 m, thinly hairy; lvs linear or lanceolate, 8–12 cm × 5–10 mm; fls reddish, solitary at the ends of the branches, on pedicels to 2 dm; cal-tube 12–18 mm, elliptic-ovoid, the lobes 2–4 cm, lance-linear, acute or acuminate; pet 2–3 cm, oblanceolate, retuse; fr 14–18 mm; 2n=48. Native of Europe, widely established as a weed of grainfields and waste places, most abundant in the n. part of our range. July–Sept.