Solidago ouachitensis

Solidago ouachitensis is a North American species of flowering plants in the family Asteraceae known by the common name Ouachita Mountain goldenrod.[2] It has a very limited range, found only in the Ouachita Mountains along the border between Arkansas and Oklahoma in the United States.[1][3][4][5]

Solidago ouachitensis
specimen in Missouri Botanical Garden

Vulnerable  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Solidago
Species:
S. ouachitensis
Binomial name
Solidago ouachitensis
C.E.S.Taylor & R.J.Taylor

Solidago ouachitensis is a perennial herb growing up to about 1.1 meters (44 inches) in height. It produces one or more erect stems from a woody caudex. The serrated (toothed) leaves are 10 to 13 centimeters (4.0-5.2 inches) long around the middle of the plant and smaller higher on the stem. One plant will produce 25-50 bell-shaped flower heads. Each flower head usually contains one yellow ray floret and 4-5 disc florets.[6] Flowering occurs in September and October.[3]

Solidago ouachitensis is likely a relict of times when conditions were colder and wetter. It only occurs in the cooler, moister sites in the Ouachita Mountains,[3] usually in wet forest habitat on north-facing slopes.[1] Associated species include Magnolia tripetala, Fagus grandifolia, Acer rubrum, Quercus rubra, Aesculus glabra, Asarum canadense, Campanula americana, Panax quinquefolium, Toxicodendron radicans, and Hybanthus concolor.[3]

References
  1. Solidago ouachitensis. The Nature Conservancy.
  2. USDA, NRCS (n.d.). "Solidago ouachitensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 November 2015.
  3. Solidago ouachitensis. Archived 2011-10-26 at the Wayback Machine Center for Plant Conservation.
  4. Biota of North America Program 2014 county distribution map
  5. Taylor, Constance Elaine Southern, & Taylor, Ronald J. 1986. Sida 11(3): 334–339 includes photo of type specimen plus distribution map
  6. Flora of North America, Solidago ouachitensis, C. E. S. Taylor & R. J. Taylor, 1986. Ouachita Mountains goldenrod
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