Flora of North America species comparison

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Solidago rugosa var. celtidifolia

Solidago rugosa var. cronquistiana
Photo is of parent taxon
Photo is of parent taxon
Herbage

moderately to densely hairy.

sparsely hairy.
Ray florets

5–9.
Heads

in wide arrays, usually with elongate proximal branches greatly exceeding subtending leaves.

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

cauline leaf blades ovate, much reduced distally.

cauline leaf blades ovate, much reduced distally.
Rays

florets 5–9.

2n

= 18, 36.

= 36.

Solidago rugosa var. celtidifolia

Solidago rugosa var. cronquistiana
Phenology Flowering Sep–Nov. Flowering Sep–Oct.
Habitat Sandy and silty soils, fields, woods and wet ground, mostly outer coastal plain Sandy, gravelly soils, woods, roadsides at higher elevations
Elevation 0–100 m (0–300 ft) 800–1800+ m (2600–5900+ ft)
Distribution
from FNA
AL; AR; FL; GA; LA; MS; NC; OK; SC; TX; VA
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. FNA vol. 20, p. 147.
Parent taxa Asteraceae > tribe Astereae > Solidago > sect. Solidago > subsect. Venosae > ser. Venosae > Solidago rugosa > Solidago rugosa subsp. rugosa 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. 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
Synonyms S. celtidifolia
Name authority (Small) Fernald: Rhodora 38: 223. (1936) 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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