Solidago flexicaulis 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
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Species Description - Plants 3–12 dm from long rhizomes; stem glabrous below the infl, striate-angled and grooved, tending to be somewhat zigzag; lvs chiefly cauline, sharply toothed, acuminate, usually hirsute beneath at least on the midrib and main veins, mostly with ovate or elliptic blade 7–15 × 3–10 cm, 1–2.2(–2.5) times as long as wide, abruptly contracted to the broadly winged petiole; infl a series of mostly short clusters, the lower axillary to foliage-lvs, but these progressively reduced upwards, the terminal part of the infl often appearing as a naked thyrse; invol 4–6 mm, the outer bracts obtuse, the inner broadly rounded; rays mostly 3–4; disk-fls 5–9; achenes short-hairy; 2n=18, 36, the tetraploids more western. Woods; N.S. and N.B. to N.D., s. to Va., Ky., and Ark., and in the mts. to Ga.
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Common Names
zigzag goldenrod