Common Name:
NARROW-LEAVED VERVAIN
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Coefficient of Conservatism:
6
Coefficient of Wetness:
5
Wetness Index:
UPL
Physiognomy:
Nt P-Forb
B. S. Walters
Plants on limestone pavements (alvars) at Drummond Island and on thin soil over limestone in Lenawee and Monroe Cos. are presumably native; elsewhere in the state, collections from sandy fields, disturbed places, and railroads may at least in part be adventive.
This blue-flowered species has spikes almost as slender and remotely flowered as in the white-flowered V. urticifolia, which has broad leaf blades and distinct petioles.
Locations
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Alpena County
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Chippewa County
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Only on Drummond Island
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Emmet County
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Grand Traverse County
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Leelanau County
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Lenawee County
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Monroe County
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St. Clair County
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Wayne County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 5, 2019. https://www.michiganflora.net/species.aspx?id=2772.