Flora of North America species comparison

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Solidago rugosa subsp. rugosa

Solidago rugosa var. sphagnophila
Photo is of parent taxon

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

glabrous.
Leaves

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

Ray florets

4–12

Heads

in compact to lax pyramidal arrays, branches divergent and recurved arrays.
Distal

cauline leaf blades lanceolate, somewhat reduced distally.
Rays

florets 5–12.
2n

= 18, 54.

Solidago rugosa subsp. rugosa

Solidago rugosa var. sphagnophila
Phenology Flowering Aug–Oct.
Habitat Sandy and boggy soils, cedar woods and wet ground
Elevation 0–100+ m (0–300+ ft)
Distribution
from USDA
e North America
[BONAP county map]
from FNA
CT; MA; ME; NC; NJ; NY; PA; RI; SC; VA; NS
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety sphagnophila is a distinctive cedar-swamp race in its pure form. Intermediates with var. rugosa occur in areas of sympatry.

(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
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. cronquistiana, S. rugosa var. rugosa
Synonyms S. aestivalis
Name authority unknown C. Graves: Rhodora 6: 183. (1904)
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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