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Gentianella occidentalis (A. Gray) Small. Section: Arctophila. Midwestern Gentianella, Western Agueweed. Phen: Late Aug-Nov. Hab: Calcareous barrens, prairies, meadows, dry and dry-mesic limestone woodlands. Dist: OH and s. ON west to MN, east and south to w. VA, sc. KY, AR, and se. KS.

Origin/Endemic status: Native

Taxonomy Comments: Gillett (1957) describes Gentianella quinquefolia as "a polymorphic species with two clearly distinct allopatric subspecies distinguished chiefly by flower and calyx size"; the morphologically distinctions, largely allopatric distributions, and differences in habitat warrant specific rank by modern taxonomic standards.

Synonymy: = S; = Gentiana quinquefolia L. var. occidentalis (A.Gray) Hitchc. – F; = Gentianella quinquefolia (L.) Small ssp. occidentalis (A.Gray) J.M.Gillett – FNA14, GrPl, Il, K1, K3, K4, Mi, Gillett (1957); = Gentianella quinquefolia (L.) Small var. occidentalis A.Gray – Ar, C, G, Va; < Gentiana quinquefolia L. – W

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming
image of plant© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷
image of plant© Gary P. Fleming
image of plant© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷
image of plant© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY | Original Image ⭷
image of plant© Nathan Aaron, some rights reserved (CC BY), uploaded by Nathan Aaron source CC-BY | Original Image ⭷
image of plant© aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar source CC-BY

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