Campanula Linnaeus. Common name: Bellflower.

Key to Campanula

A genus of about 300-425 species, herbs (rarely shrubby), north temperate, most diverse in s. Europe. The appropriate circumscription remains uncertain and controversial; evidence in recent decades makes clear that species traditionally treated in Campanula (or sometimes in segregates usually not recognized) are more closely related to other genera in Campanuloideae (such as Triodanis, Legousia, Phyteuma, etc.). The option to expand Campanula to include those genera exists and is advocated by Roquest et al. (2008). Alternatively, divergent groups of 'Campanula' can be segregated into monophyletic genera. We here follow Park et al. (2006) and especially (for our region) Morin (2020) in recognizing distinctive and evolutionarily long-separated clade in eastern North America at generic rank. Most of the remaining taxa treated here in Campanula will also be removed from that genus (they are in the rapunculoid clade), but the best way to do so is not yet clear. Campanula latifolia is the type of the genus Campanula.

References: Lammers In Kadereit & Jeffrey (2007); Morin (2020); Park et al. (2006); Roquet et al. (2008); Rosatti (1986); Shetler (1982); Shetler & Morin (1986); Shulkina, Gaskin, & Eddie (2003); Sutherland & Galloway (2018); Wilson et al. (2020). Show full citations.

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