Cercidoideae is a subfamily in the pea family, Fabaceae. Well-known members include Cercis (redbuds), including species widely cultivated as ornamental trees in the United States and Europe, Bauhinia, widely cultivated as an ornamental tree in tropical Asia, and Tylosema , a semi-woody genus of Africa. The subfamily occupies a basal position within the Fabaceae and is supported as monophyletic in many molecular phylogenies.[3][4][5][6][7][8] At the 6th International Legume Conference, the Legume Phylogeny Working Group proposed elevating the tribe Cercidae to the level of subfamily within the Leguminosae (Fabaceae).[9] The consensus agreed to the change, which was fully implemented in 2017.[2] It has the following clade-based definition:
Cercidoideae Temporal range:
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Cercis siliquastrum | |
Phanera variegata | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fabales |
Family: | Fabaceae |
Subfamily: | Cercidoideae Legume Phylogeny Working Group[2] |
Type genus | |
Cercis L.
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Genera | |
See text | |
Synonyms | |
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The most inclusive crown clade containing Cercis canadensis L. and Bauhinia divaricata L. but not Poeppigia procera C.Presl, Duparquetia orchidacea Baill., or Bobgunnia fistuloides (Harms) J.H.Kirkbr. & Wiersema.[2]
Many genera show unique palynology.[10][11]
Cercidoideae comprises the following genera[2][12][13] organized into tribes:[14]
Molecular phylogenetics suggest the following relationships:[12][14][15][18]
Fabales |
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: CS1 maint: DOI inactive as of January 2024 (link)
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: CS1 maint: DOI inactive as of January 2024 (link)