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Coefficient of Conservatism:
10
Coefficient of Wetness:
5
Wetness Index:
UPL
Physiognomy:
Nt A-Forb
C. Peirce
In forests with beech (and usually other trees, such as sugar maple, hemlock, oak). Beech-drops is often said to grow “under” beech (Fagus), but that is a half-truth; more importantly, as its generic name declares, it grows over (upon) the roots of beech, its only known host plant.
Blooming in late summer (late August–September), the dead dry stems of the previous season are reasonably conspicuous through the winter and into the next summer. Most of the flowers are usually cleistogamous (setting fruit in the bud), but nearly always there are at least a few open (chasmogamous) flowers toward the ends of the flowering branches. Simple stems are usually recognized in the field as depauperate individuals of a population; most plants are branched, the flowering portion occupying more than half the height, which may be as tall as 60 cm. Like Corallorhiza maculata, this species produces various color forms besides the most common reddish purple to brownish form (including stripes on the chasmogamous flowers), including forms that were yellow with white flowers, “ivory white,” and “cream colored.”
Locations
Alcona County
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Alger County
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Allegan County
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Antrim County
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Arenac County
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Barry County
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Bay County
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Benzie County
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Berrien County
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Branch County
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Calhoun County
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Cass County
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Charlevoix County
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Including Beaver Island
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Cheboygan County
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Chippewa County
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Including Drummond Island
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Clare County
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Clinton County
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Crawford County
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Delta County
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Eaton County
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Emmet County
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Grand Traverse County
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Gratiot County
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Hillsdale County
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Ingham County
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Isabella County
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Jackson County
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Kalamazoo County
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Kent County
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Lake County
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Leelanau County
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Including Fox Islands
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Including Manitou Islands
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Lenawee County
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Luce County
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Mackinac County
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Including Bois Blanc, Mackinac, Round Islands
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Macomb County
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Manistee County
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Marquette County
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Mason County
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Mecosta County
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Menominee County
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Midland County
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Montcalm County
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Montmorency County
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Muskegon County
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Newaygo County
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Oakland County
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Oceana County
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Otsego County
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Ottawa County
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Saginaw County
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Sanilac County
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Schoolcraft County
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St. Clair County
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St. Joseph County
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Tuscola County
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Van Buren County
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Washtenaw County
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Wayne County
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Wexford County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 30, 2023. https://michiganflora.net/species.aspx?id=1862.