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Triosteum Linnaeus. Horse-gentian, Feverwort.

Key to Triosteum

A genus of 6 species, rather woody herbs, of e. Asia (3 species) and e. North America (3 species); the 3 North American species form one clade, the 3 Asian species another (Gould & Donoghue 2000).

Ref: Ferguson (1966a); Gould & Donoghue (2000); Hofmann & Bittrich (2016) In Kadereit & Bittrich (2016). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Alan Cressler: Triosteum perfoliatum, Floyd County, Georgia 2 by Alan Cressler | Triosteum perfoliatum source | Original Image ⭷