Verbesina helianthoides Michx.
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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 - Hirsute perennial, 5–12 dm, the stem winged, leafy throughout; lvs alternate, lanceolate to narrowly ovate, serrate, 6–15 × 2–6 cm, sessile or broadly short-petiolate; heads few, mostly 1–10, the disk 9–16 mm wide in fl; invol bracts erect but rather loose; receptacle shortly conic; rays 8–15, pistillate or neutral, yellow, 1–3 cm; achenes winged or wingless, often a little spreading, but not reflexed; 2n=34. Prairies and dry woods; O. to Ga., w. to Io., Kans., and Tex. June–Oct. (Phaethusa h.; Pterophyton h.)
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Common Names
Ozark flatseed-sunflower