Flora of North America species comparison

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Solidago rugosa subsp. rugosa

Solidago rugosa var. cronquistiana
Photo is of parent taxon

rough-stem goldenrod, wrinkleleaf goldenrod
Photo is of parent taxon
Herbage

sparsely hairy.
Leaves

relatively thin, not very rugose, usually sharply toothed, apices acuminate, glabrous or pilose.

Ray florets

4–12

5–9.
Heads

in narrow (wand-shaped) arrays, proximal branches not greatly exceeding subtending leaves.
Distal

cauline leaf blades ovate, much reduced distally.
2n

= 36.

Solidago rugosa subsp. rugosa

Solidago rugosa var. cronquistiana
Phenology Flowering Sep–Oct.
Habitat Sandy, gravelly soils, woods, roadsides at higher elevations
Elevation 800–1800+ m (2600–5900+ ft)
Distribution
from USDA
e North America
[BONAP county map]
from FNA
GA; NC; TN
Discussion

Varieties 2 (2 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. 146. FNA vol. 20, p. 147.
Parent taxa Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Venosae > ser. Venosae > Solidago rugosa Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Venosae > ser. Venosae > Solidago rugosa > Rugosa
Sibling taxa
S. rugosa subsp. aspera, S. rugosa var. aspera, S. rugosa var. celtidifolia, S. rugosa var. cronquistiana, S. rugosa var. rugosa, S. rugosa var. sphagnophila
S. rugosa subsp. aspera, S. rugosa subsp. rugosa, S. rugosa var. aspera, S. rugosa var. celtidifolia, S. rugosa var. rugosa, S. rugosa var. sphagnophila
Name authority unknown Semple: Sida 20: 1612, figs. 12–18. (2003)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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