Editing Trillium (section)

===Subgenus ''Callipetalon''===
''Trillium'' subgen.&nbsp;''Callipetalon'', the '''Grandiflorum group''', is a group of pedicellate-flowered trilliums that includes ''[[Trillium grandiflorum]]''. The subgenus was [[Circumscription (taxonomy)|circumscribed]] as a [[clade]] of three (3) species in 2022.{{sfnp|Lampley|Gereau|Floden|Schilling|2022|p=281}} Species in the subgenus have [[Pedicel (botany)|pedicellate]] flowers (on a stalk) and solid green leaves (except ''T.&nbsp;ovatum'' on the west coast of California, which occasionally has mottled leaves). The [[Stigma (botany)|stigma]]s are fused together at their bases (basally [[Connation|connate]]) but lack a definite [[Stigma (botany)#Style|style]]. They are distributed across North America (but not Asia). Flowers were and still are consumed and used by [[Indigenous peoples of the Americas|indigenous peoples]] in various regions of North America.

{{div col}}
* ''[[Trillium crassifolium]]'' {{small|Piper}} – Washington
* ''[[Trillium grandiflorum]]'' {{small|(Michx.) Salisb.}} – Nova Scotia, Ontario, Quebec; Alabama, Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin
* ''[[Trillium nivale]]'' {{small|Riddell}} – Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Minnesota, Missouri, Nebraska, Ohio, Pennsylvania, South Dakota, West Virginia, Wisconsin
* ''[[Trillium ovatum]]'' {{small|Pursh}} – Alberta, British Columbia; California, Colorado, Idaho, Montana, Oregon, Washington, Wyoming
* ''[[Trillium scouleri]]'' {{small|Rydb. ex Gleason}} – Alberta, British Columbia; Colorado, Idaho, Montana, Washington, Wyoming
{{div col end}}