Solidago rugosa subsp. aspera |
Solidago rugosa var. cronquistiana |
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wrinkleleaf goldenrod |
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Herbage | sparsely hairy. |
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Leaves | relatively thick and firm, strongly rugose-nerved, usually blunt-toothed to subentire, apices often acute, relatively short and stiff hairy. |
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Ray florets | 5–8(–10) |
5–9. |
Heads | in narrow (wand-shaped) arrays, proximal branches not greatly exceeding subtending leaves. |
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Distal | cauline leaf blades ovate, much reduced distally. |
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2n | = 36. |
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Solidago rugosa subsp. aspera |
Solidago rugosa var. cronquistiana |
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Phenology | Flowering Sep–Oct. | |
Habitat | Sandy, gravelly soils, woods, roadsides at higher elevations | |
Elevation | 800–1800+ m (2600–5900+ ft) | |
Distribution |
e North America |
GA; NC; TN |
Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety cronquistiana is known only at the tetraploid level and occurs at mid to high elevations in the southern Appalachian Mountains. The elongate, narrow, leafy arrays can be wand-shaped with the branches much shorter than the subtending leaves. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 147. | FNA vol. 20, p. 147. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | S. aspera | |
Name authority | (Aiton) Cronquist: Rhodora 49: 78. (1947) | Semple: Sida 20: 1612, figs. 12–18. (2003) |
Web links |