Cubelium concolor (synonym Hybanthus concolor), commonly known as eastern green violet,[2] is a flowering plant in the violet family (Violaceae). It is native to eastern North America,[3] where it ranges from Ontario south to Florida, and from Vermont west to Kansas and Oklahoma.[1]

Quick Facts Conservation status, Scientific classification ...
Cubelium
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Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Violaceae
Genus: Cubelium
Raf. ex Britton & A.Br. (1897)
Species:
C. concolor
Binomial name
Cubelium concolor
(T.F.Forst.) Raf. ex Britton & A.Br. (1897)
Synonyms[1]
  • Calceolaria concolor (T.F.Forst.) Kuntze (1891)
  • Cubelium concolor f. subglabrum Eames (1930)
  • Hybanthus concolor (T.F.Forst.) Spreng. (1824)
  • Ionidium concolor (T.F.Forst.) Benth. & Hook.f. ex S.Watson (1878)
  • Ionidium sprengelianum Schult. (1819)
  • Noisettia acuminata Ging. (1824)
  • Solea concolor (T.F.Forst.) Ging. (1824)
  • Solea stricta Spreng. (1813)
  • Viola concolor T.F.Forst. (1802)
  • Viola sprengeliana Steud. (1821), not validly publ.
  • Viola stricta Muhl. ex Pursh (1813), pro syn.
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Description

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.[4] It blooms from May to June in Ontario and from April to June in Connecticut.

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Botanical illustration of Hybanthus concolor

Habitat

The natural habitat of Cubelium concolor is in nutrient rich, calcareous forests and woodlands, typically in mesic or bottomland conditions.[5] It is found less frequently in dry forests and glades.[5][6] It is a fairly conservative species, and is only found in areas with an intact native herbaceous layer.[7]

Most of the Canadian populations are located along the Niagara Escarpment, a prime habitat for green violet.

References

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