|specimen in Missouri Botanical Garden|
C.E.S.Taylor & R.J.Taylor
Solidago ouachitensis is a North American species of flowering plants in the aster family known by the common name Ouachita Mountain goldenrod. It has a very limited range, found only in the Ouachita Mountains along the border between Arkansas and Oklahoma in the United States.
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. Flowering occurs in September and October.
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, usually in wet forest habitat on north-facing slopes. Associated species include Magnolia tripetala, Fagus grandifolia, Acer rubrum, Quercus rubra, Aesculus glabra, Asarum canadense, Campanula americana, Panax quinquefolium, Toxicodendron radicans, and Hybanthus concolor.
- "Solidago ouachitensis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 19 November 2015.
- Solidago ouachitensis. The Nature Conservancy.
- Solidago ouachitensis. Center for Plant Conservation.
- Biota of North America Program 2014 county distribution map
- Taylor, Constance Elaine Southern, & Taylor, Ronald J. 1986. Sida 11(3): 334–339 includes photo of type specimen plus distribution map
- Flora of North America, Solidago ouachitensis, C. E. S. Taylor & R. J. Taylor, 1986. Ouachita Mountains goldenrod