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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