Flora of North America species comparison

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Solidago rugosa var. cronquistiana
Photo is of parent taxon
Herbage

sparsely hairy.
Ray florets

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 var. cronquistiana
Phenology Flowering Sep–Oct.
Habitat Sandy, gravelly soils, woods, roadsides at higher elevations
Elevation 800–1800+ m (2600–5900+ ft)
Distribution
from FNA
GA; NC; TN
Discussion

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.
Parent taxa Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Venosae > ser. Venosae > Solidago rugosa > Rugosa
Sibling taxa
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 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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