Linaria vulgaris Mill.
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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
Scrophulariaceae
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Scientific Name
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Description
Species Description - Perennial, 3–8 dm, colonial by creeping roots; lvs very numerous, pale green, 2–5 cm × 2–4 mm, narrowed below to a petiole-like base; fls numerous in a compact spike, yellow with orange palate, 2–3.5 cm, including the spur; fr round-ovoid, 8–12 mm; seeds winged; 2n=12. Native of Europe, established in fields, roadsides, and waste places throughout temperate N. Amer. May–Sept. (L. linaria)
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Common Names
butter and eggs