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Parogonum (Haraldson) Desjardins & J.P. Bailey. Subfamily: Polygonoideae. Tribe: Polygoneae. Subtribe: Reynoutriinae.

A genus of 2 species (and 3 taxa), herbs, disjunctly in e. North America and e. Asia. The two species of Parogonum have usually been considered to be congeneric with the species of Fallopia; Desjardins et al. (2023) found that Parogonum is sister to Fallopia + Muehlenbeckia, and elevated section Parogonum Haraldson to genus rank to maintain a taxonomy of monophyletic genera.

Ref: Brandbyge (1993) In Kubitzki, Rohwer, & Bittrich (1993); Desjardins et al. (2023); Freeman & Hinds (2005) In Flora of North America Editorial Committee (2005); Ronse De Craene & Akeroyd (1988). Show full citations.

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image of plant© Radford, Ahles and Bell | Parogonum ciliinode | Original Image ⭷

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