Cercidoideae

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Cercidoideae
Cercis siliquastrum MHNT.jpg
Cercis siliquastrum
Bauhinia variegata (Kachnar) in Hyderabad, AP W IMG 1463.jpg
Phanera variegata
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Cercidoideae
Legume Phylogeny Working Group[1]
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 esculentum (Marama bean), a traditional food crop in Africa. The subfamily occupies a basal position within the Fabaceae and is supported as monophyletic in many molecular phylogenies.[2][3][4][5][6][7] 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).[8] The consensus agreed to the change, which was fully implemented in 2017.[1] 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.[1]

Many genera show unique palynology.[9][10]

Genera[edit]

Cercidoideae comprises the following genera[1][11][12] organized into subtribes:[13]

Cercideae[edit]

Bauhinieae[edit]

Extinct[edit]

Phylogeny[edit]

Molecular phylogenetics suggest the following relationships:[11]

Fabales

Detarioideae (outgroup)




Cercis




Adenolobus




Griffonia




Gigasiphon






Lysiphyllum




Lasiobema



Phanera





Schnella[13]



Barklya




Tylosema






Piliostigma




Brenierea



Bauhinia sensu stricto








Notes[edit]

  1. ^ Some sources treat Lasiobema as a synonym of Phanera.

References[edit]

  1. ^ a b c d 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. 
  2. ^ Doyle JJ, Chappill JA, Bailey CD, Kajita T (2000). "Towards a comprehensive phylogeny of legumes: Evidence from rbcL sequences and non-molecular data". In Herendeen PS, Bruneau A. Advances in Legume Systematics, Part 9. Kew, UK: Royal Botanic Gardens. pp. 1–20. ISBN 184246017X. 
  3. ^ Bruneau A, Forest F, Herendeen PS, Klitgaard BB, Lewis GP (2001). "Phylogenetic Relationships in the Caesalpinioideae (Leguminosae) as Inferred from Chloroplast trnL Intron Sequences". Syst Bot. 26 (3): 487–514. doi:10.1043/0363-6445-26.3.487. 
  4. ^ Davis CC, Fritsch PW, Li J, Donoghue MJ (2002). "Phylogeny and Biogeography of Cercis (Fabaceae): Evidence from Nuclear Ribosomal ITS and Chloroplast ndhF Sequence Data". Syst Bot. 27 (2): 289–302. doi:10.1043/0363-6445-27.2.289. 
  5. ^ Wojciechowski MF, Lavin M, Sanderson MJ (2004). "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. doi:10.3732/ajb.91.11.1846. PMID 21652332. 
  6. ^ Bruneau A, Mercure M, Lewis GP, Herendeen PS (2008). "Phylogenetic patterns and diversification in the caesalpinioid legumes". Botany. 86 (7): 697–718. doi:10.1139/b08-058. 
  7. ^ 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. 
  8. ^ 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. 
  9. ^ Banks H, Forest F, Lewis GP (2013). "Palynological contribution to the systematics and taxonomy of Bauhinia s.l. (Leguminosae: Cercideae)". South African Journal of Botany. 89: 219–226. doi:10.1016/j.sajb.2013.07.028. 
  10. ^ Banks H, Forest F, Lewis GP (2014). "Evolution and diversity of pollen morphology in tribe Cercideae (Leguminosae)". Taxon. 63 (2): 299–314. doi:10.12705/632.37. 
  11. ^ a b Sinou C, Forest F, Lewis GP, Bruneau A (2009). "The genus Bauhinia s.l. (Leguminosae): A phylogeny based on the plastid trnLtrnF region". Botany. 87 (10): 947–960. doi:10.1139/B09-065. 
  12. ^ Wunderlin RP (2010). "Reorganization of the Cercideae (Fabaceae: Caesalpinioideae)" (PDF). Phytoneuron. 48: 1–5. 
  13. ^ a b Wunderlin RP (2010). "Reorganization of the Cercideae (Fabaceae: Caesalpinioideae)" (PDF). Phytoneuron. 48: 1–5. 
  14. ^ Calvillo-Canadell L, Cevallos-Ferriz SR (2002). "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. doi:10.1016/S0034-6667(02)00135-5. 

External links[edit]