Solidago sciaphila

Solidago sciaphilia is known as shadowy goldenrod[1] or cliff goldenrod. The species is endemic to bluffs along the Mississippi River in southern Minnesota, and the driftless area of southwestern Wisconsin, northern Iowa and Illinois.[2] Throughout its range, S. sciaphila is strongly associated with dolomite and sandstone bedrock, especially dry cliffs.[3] It can be similar to Solidago speciosa but has more serrate lower and mid stem leaves and is generally smaller to much smaller when growing in pockets of shallow soil on cliffs.[4] Small plants are similar to Solidago hispida in general appearance. Blooming occurs late August through late September; fruiting occurs throughout September. Shadowy Goldenrod is considered a Special Concern species in Wisconsin and Minnesota, and considered threatened in Illinois. This species can be significantly impacted by rock climbing activities.[5]

Solidago sciaphila
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Solidago
Species:
S. sciaphila
Binomial name
Solidago sciaphila
E.S.Steele

The type collection was made by E. S. Steele in 1909, Vicinity of Kilbourn, on the Wisconsin River. Reports of Solidago sciaphila from North Carolina are Solidago villosicarpa instead (LeBlond, 2000).[6]

References
  1. USDA, NRCS (n.d.). "Solidago sciaphila". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 November 2015.
  2. Biota of North America Program 2014 county distribution map
  3. Minnesota Department of Natural Resources. "Solidago sciaphila Steele, Cliff Goldenrod". Retrieved 2015-08-11.
  4. Semple, J. C., and R. E. Cook. 2006. Solidago. Pages 107-166 in Flora of North America, Editorial Committee, editors. Flora of North America north of Mexico. Volume 20. Oxford University Press.
  5. Nuzzo, V. A. (April 1995). "Effects of rock climbing on cliff goldenrod (Solidago sciaphila Steele) in northwest Illinois". American Midland Naturalist. Retrieved 2015-08-11.
  6. LeBlond, R.J. 2000. Solidago villosicarpa (Asteraceae: Astereae), a rare new Southeastern Coastal Plain endemic. Sida 19(2).


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