Triosteum Linnaeus. Horse-gentian, Feverwort.
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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© Richard & Teresa Ware | Triosteum angustifolium var. angustifolium CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Gary P. Fleming | 
© Sonnia Hill | 
© Alan Cressler: Triosteum perfoliatum, Floyd County, Georgia 2 by Alan Cressler | Triosteum perfoliatum source | Original Image ⭷
© Richard & Teresa Ware | Triosteum perfoliatum CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Edwin Bridges | 
© Richard & Teresa Ware | Triosteum perfoliatum CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Gary P. Fleming |