Cercidoideae

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Cercidoideae
Temporal range: Late Paleocene - recent[1][2]
File:Cercis siliquastrum MHNT.jpg
Cercis siliquastrum
File:Bauhinia variegata (Kachnar) in Hyderabad, AP W IMG 1463.jpg
Phanera variegata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Cercidoideae
Legume Phylogeny Working Group[3]
Type genus
Cercis
L.
Genera

See text

Synonyms
  • Bauhiniaceae Martynov 1820
  • Cerceae Bronn 1822
  • Cercideae Bronn 1822

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.[4][5][6][7][8][9] 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).[10] The consensus agreed to the change, which was fully implemented in 2017.[3] It has the following clade-based definition:

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.[3]

Many genera show unique palynology.[11][12]

Genera

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File:Lysiphyllum hookeri Flower.jpg
Lysiphyllum hookeri
File:Bauhinia divaricata2.jpg
Bauhinia divaricata

Cercidoideae comprises the following genera[3][13][14] organized into tribes:[15]

Cercideae

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  1. Adenolobus (Harv. ex Benth. & Hook.f.) Torre & Hillc.
  2. Cercis L.
  3. Griffonia Baill.

Bauhinieae

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  1. Barklya F. Muell.
  2. Bauhinia L.
  3. Brenierea Humbert
  4. Cheniella R.Clark & Mackinder[16]
  5. Gigasiphon Drake
  6. Lysiphyllum (Benth.) deWit
  7. Phanera Lour.[17] (includes Lasiobema (Korth.) Miq.[Note 1])
  8. Piliostigma Hochst.
  9. Schnella Raddi
  10. Tournaya A.Schmitz[17]
  11. Tylosema (Schweinf.) Torre & Hillc.

Extinct

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Phylogeny

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Molecular phylogenetics suggest the following relationships:[13][15][16][19]

Fabales

Notes

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  1. ^ Several sources now treat Lasiobema as a section of genus Phanera.

References

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  • File:Wikispecies-logo.svg Data related to Cercidoideae at Wikispecies

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