Biology:Cercidoideae

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Short description: Subfamily of legumes

Cercidoideae
Temporal range: Late Eocene - recent[1]
Cercis siliquastrum MHNT.jpg
Cercis siliquastrum
Bauhinia variegata (Kachnar) in Hyderabad, AP W IMG 1463.jpg
Phanera variegata
Scientific classification e
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.
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.[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:

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]

Genera

Lysiphyllum hookeri
Bauhinia divaricata

Cercidoideae comprises the following genera[2][12][13] organized into tribes:[14]

Cercideae

Bauhinieae

Extinct

  • †Bauhcis Calvillo-Canadell and Cevallos-Ferriz[17]

Phylogeny

Molecular phylogenetics suggest the following relationships:[12][14][15][18]

Fabales
 

Detarioideae (outgroup)

 
Cercidoideae
 

Cercis

 
 
 

Adenolobus

 
 
 

Griffonia

 
 
 
 

Piliostigma

 
 
 

Brenierea

 
 

Bauhinia sensu stricto

 
 
 
 
 

Gigasiphon

 
 
 

Tylosema

 
 
 

Schnella

 
 
 

Barklya

 
 
 

Lysiphyllum

 
 
 

Cheniella

 
 
 

Lasiobema

 
 

Phanera

 
 
 
 
 
 
 
 
 
 
 
 
 

Notes

  1. ↑ Some sources treat Lasiobema as a section of genus Phanera.

References

  1. ↑ "Fabales". https://mobot.org/MOBOT/research/APweb/orders/fabalesweb.htm. 
  2. ↑ 2.0 2.1 2.2 2.3 The Legume Phylogeny Working Group (LPWG). (2017). "A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny". Taxon 66 (1): 44–77. doi:10.12705/661.3. 
  3. ↑ "Towards a comprehensive phylogeny of legumes: Evidence from rbcL sequences and non-molecular data". Advances in Legume Systematics, Part 9. Kew, UK: Royal Botanic Gardens. 2000. pp. 1–20. ISBN 184246017X. http://www.kewbooks.com/asps/ShowDetails.asp?id=52. 
  4. ↑ "Phylogenetic Relationships in the Caesalpinioideae (Leguminosae) as Inferred from Chloroplast trnL Intron Sequences". Syst Bot 26 (3): 487–514. 2001. doi:10.1043/0363-6445-26.3.487. http://www.bioone.org/doi/full/10.1043/0363-6445-26.3.487. 
  5. ↑ "Phylogeny and Biogeography of Cercis (Fabaceae): Evidence from Nuclear Ribosomal ITS and Chloroplast ndhF Sequence Data". Syst Bot 27 (2): 289–302. 2002. doi:10.1043/0363-6445-27.2.289. http://www.bioone.org/doi/abs/10.1043/0363-6445-27.2.289. 
  6. ↑ "A phylogeny of legumes (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family". Am J Bot 91 (11): 1846–62. 2004. doi:10.3732/ajb.91.11.1846. PMID 21652332. 
  7. ↑ "Phylogenetic patterns and diversification in the caesalpinioid legumes". Botany 86 (7): 697–718. 2008. doi:10.1139/b08-058. 
  8. ↑ LPWG [Legume Phylogeny Working Group] (2013). "Legume phylogeny and classification in the 21st century: progress, prospects and lessons for other species-rich clades". Taxon 62 (2): 217–248. doi:10.12705/622.8. https://www.zora.uzh.ch/id/eprint/78167/1/Taxon_2013_217-248.pdf. 
  9. ↑ LPWG [Legume Phylogeny Working Group] (2013). "Towards a new classification system for legumes: Progress report from the 6th International Legume Conference". S Afr J Bot 89: 3–9. doi:10.1016/j.sajb.2013.07.022. 
  10. ↑ "Palynological contribution to the systematics and taxonomy of Bauhinia s.l. (Leguminosae: Cercideae)". South African Journal of Botany 89: 219–226. 2013. doi:10.1016/j.sajb.2013.07.028. 
  11. ↑ "Evolution and diversity of pollen morphology in tribe Cercideae (Leguminosae)". Taxon 63 (2): 299–314. 2014. doi:10.12705/632.37. 
  12. ↑ 12.0 12.1 "The genus Bauhinia s.l. (Leguminosae): A phylogeny based on the plastid trnL–trnF region". Botany 87 (10): 947–960. 2009. doi:10.1139/B09-065. 
  13. ↑ Wunderlin RP (2010). "Reorganization of the Cercideae (Fabaceae: Caesalpinioideae)". Phytoneuron 48: 1–5. http://www.phytoneuron.net/PhytoN-Cercideae.pdf. 
  14. ↑ 14.0 14.1 Wunderlin RP (2010). "Reorganization of the Cercideae (Fabaceae: Caesalpinioideae)". Phytoneuron 48: 1–5. http://www.phytoneuron.net/PhytoN-Cercideae.pdf. 
  15. ↑ 15.0 15.1 "Cheniella gen. nov. (Leguminosae: Cercidoideae) from southern China, Indochina and Malesia". European Journal of Taxonomy (360): 1–37. 2017. doi:10.5852/ejt.2017.360. 
  16. ↑ 16.0 16.1 Jiang, Kai-Wen (2020). "New Combinations in the Genus Phanera (Fabaceae: Cercidoideae) of China". J. Jpn. Bot. 95 (4): 211–213. 
  17. ↑ "Bauhcis moranii gen. et sp. nov. (Cercideae, Caesalpinieae), an Oligocene plant from Tepexi de Rodríguez, Puebla, Mex., with leaf architecture similar to Bauhinia and Cercis". Rev Palaeobot Palynol 122 (3–4): 171–184. 2002. doi:10.1016/S0034-6667(02)00135-5. 
  18. ↑ "Plastid Genome Evolution in the Early-Diverging Legume Subfamily Cercidoideae (Fabaceae)". Frontiers in Plant Science 138 (138): 1–12. 2018. doi:10.3389/fpls.2018.00138. PMID 29479365. 

External links

Wikidata ☰ Q42398994 entry



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