Hybanthus concolor, commonly known as eastern green violet, is a flowering plant in the violet family (Violaceae). It is native to eastern North America, where it is found through much of the interior areas of the eastern United States and Ontario, Canada.
Green violet is a shrub-like herb that grows to a height of 30 cm to 1 m. Its inconspicuous flowers are small, close to the stem, and green. It blooms from May to June in Ontario and from April to June in Connecticut.
The natural habitat of Hybanthus concolor is in nutrient rich, calcareous forests and woodlands, typically in mesic or bottomland conditions. It is found less frequently in dry forests and glades. It is a fairly conservative species, and is only found in areas with an intact native herbaceous layer.
Most of the Canadian populations are located along the Niagara Escarpment, a prime habitat for green violet.
- Hybanthus concolor (T.F.Forst.) Spreng. Tropicos.org. Missouri Botanical Garden. 02 Dec 2011
- Hybanthus concolor (T.F. Forst.) Spreng. UDSA Plants Database. 02 Dec 2011
- "Hybanthus concolor". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 18 August 2018.
- Green Violet Hybanthus concolor Wildwood Park, Focus on a Species, Number 40, May 14, 2007
- Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
- Yatskievych, George (2013). Flora of Missouri, Volume 3. Missouri Botanical Garden Press. p. 1222.
- Green Violet Hybanthus concolor Woodland Wildflowers of Illinois. 02 Dec 2011
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