Heterotheca subaxillaris (Lam.) Britton & Rusby
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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
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Species Description - Taprooted, weedy annual or biennial 2–25 dm, erect or in some habitats low and spreading, glandular, especially above, and spreading- hairy; lvs ovate or oblong, dentate or subentire, the lower ones petiolate (some with a stipule-like basal expansion of the petiole), deciduous, the middle and upper sessile and clasping; invol 6–8 mm, its bracts finely glandular, and usually slightly hairy at the tip; 2n=18. Dry, often sandy places; Del. to Fla., w. to Kans. and Mex., and adventive n. to L.I. July–Sept.
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Common Names
camphor weed