Hybanthus concolor
Green violet
Image of Hybanthus concolor

Photo by Emmet J. Judziewicz 

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Key Characteristics

Small forb (80 cm) of rich woods; leaves broadly elliptic, abruptly acuminate; flowers green, similar in shape to violets, borne in leaf axils on drooping peduncles.

Status and Rank

  • State Status: SC
  • State Rank: S3
  • Global Rank: G5


County NameNumber of OccurrencesYear Last Observed
Distribution map for Hybanthus concolor

Updated 5/15/2018. Information is summarized from MNFI's database of rare species and community occurrences. Data may not reflect true distribution since much of the state has not been thoroughly surveyed.


Green violet is found in floodplain forests, usually in lower bottoms, as well as mesic forests and rich hardwoods in southern Lower Michigan.

Natural Community Types


For each species, lists of natural communities were derived from review of the nearly 6,500 element occurrences in the MNFI database, in addition to herbarium label data for some taxa. In most cases, at least one specimen record exists for each listed natural community. For certain taxa, especially poorly collected or extirpated species of prairie and savanna habitats, natural community lists were derived from inferences from collection sites and habitat preferences in immediately adjacent states (particularly Indiana and Illinois). Natural communities are not listed for those species documented only from altered or ruderal habitats in Michigan, especially for taxa that occur in a variety of habitats outside of the state.

Natural communities are not listed in order of frequency of occurrence, but are rather derived from the full set of natural communities, organized by Ecological Group. In many cases, the general habitat descriptions should provide greater clarity and direction to the surveyor. In future versions of the Rare Species Explorer, we hope to incorporate natural community fidelity ranks for each taxon.

Associated Plants

American beech, sugar maple, silver maple, red ash, redbud, Eastern cottonwood, sycamore, black maple, pawpaw, boxelder, bladdernut, wild ginger, poison ivy, impatiens, ostrich fern, wild phlox, and early meadow rue.


Likely requires maintenance of the overstory and moist, loamy soils and is susceptible to excessive canopy removal. Maintain healthy intact, mature forests and minimize forest fragmentation due to development. When possible, leave large tracts of unharvested forests and allow natural processes to operate unhindered.

General Survey Guidelines

Random meander search covers areas that appear likely to have rare taxa, based on habitat and the judgement of the investigator.

Survey Methods

Page Citation

Michigan Natural Features Inventory. 2007. Rare Species Explorer (Web Application). Available online at http://mnfi.anr.msu.edu/explorer [Accessed Sep 24, 2018]


Survey References

Technical References

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