Biology:Exostyleae

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Short description: Clade of legumes

Exostyleae
Zollernia latifolia Benth.2.jpg
Zollernia latifolia
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Clade: Meso-Papilionoideae
Tribe: Exostyleae
(Cardoso et al. 2012[1]) Cardoso et al. 2013[2][3]
Synonyms
  • Lecointea clade
  • Lecointioid clade Cardoso et al. 2012[1]
  • Lecointioids
  • Sophoreae sensu Polhill, 1981 pro parte 4
  • Swartzieae sensu Cowan, 1981 pro parte B
  • Swartzieae sensu Cowan, 1981 pro parte C

The tribe Exostyleae is an early-branching monophyletic clade of the flowering plant subfamily Faboideae (or Papilionaceae) that are mostly found in Neotropical rainforests.[2]

Description

This clade is composed of 6 genera, most of which were traditionally assigned to the tribe Swartzieae.[4][5] However, recent molecular phylogenetic analyses circumscribed these six genera into a strongly supported monophyletic clade.[1][2][6][7][8][9] Synapomorphic traits that unite the members of this clade include non-papilionate flowers, "serrate and sometimes spinescent leaflet or leaf margins, standard position variable in the floral bud, basifixed anthers, and drupaceous fruits".[1][2][6][7] They are also united by wood anatomy, sharing an "uncommon presence of crystals in ray cells",[1][10][11] and floral ontogeny, sharing "unidirectional initiation of five sepals, simultaneous initiation of petals, and[…]unusual antepetalous stamens initiating before the antesepalous ones."[12]

Genera

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 "Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages". American Journal of Botany 99 (12): 1991–2013. 2012. doi:10.3732/ajb.1200380. PMID 23221500. 
  2. ↑ 2.0 2.1 2.2 2.3 "Reconstructing the deep-branching relationships of the papilionoid legumes". South African Journal of Botany 89: 58–75. 2013. doi:10.1016/j.sajb.2013.05.001. 
  3. ↑ Wojciechowski MF (2013). "Towards a new classification of Leguminosae: Naming clades using non-Linnaean phylogenetic nomenclature". South African Journal of Botany 89: 85–93. doi:10.1016/j.sajb.2013.06.017. 
  4. ↑ Cowan RS (1981). "Swartzieae". Advances in Legume Systematics, Part 1. Royal Botanic Gardens, Kew. pp. 209–212. ISBN 9780855212247. http://www.kewbooks.com/asps/ShowDetails.asp?id=318. 
  5. ↑ "Molecular systematics of the Swartzieae". Advances in Legume Systematics, Part 9. Kew, UK: Royal Botanic Gardens. 2000. pp. 277–298. ISBN 978-1842460177. http://www.kewbooks.com/asps/ShowDetails.asp?id=52. 
  6. ↑ 6.0 6.1 Herendeen PS (1995). "Phylogenetic relationships of the tribe Swartzieae". Advances in Legume Systematics, Part 7: Phylogeny. Royal Botanic Gardens, Kew. pp. 123–131. ISBN 978-0947643799. http://www.kewbooks.com/asps/ShowDetails.asp?id=81. 
  7. ↑ 7.0 7.1 "Composition of the Lecointea clade (Leguminosae, Papilionoideae, Swartzieae), a re-evaluation based on combined evidence from morphology and molecular data". Taxon 53 (4): 85–93. 2004. doi:10.2307/4135566. http://www.ingentaconnect.com/content/iapt/tax/2004/00000053/00000004/art00013. 
  8. ↑ "A phylogeny of legumes (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family". American Journal of Botany 91 (11): 1846–862. 2004. doi:10.3732/ajb.91.11.1846. PMID 21652332. 
  9. ↑ 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. 
  10. ↑ Gasson P. (1996). "Wood anatomy of the tribe Swartzieae with comments on related papilionoid and caesalpinioid Leguminosae". International Association of Wood Anatomists Journal 17 (1–4): 45–75. doi:10.1163/22941932-90000624. http://www.iawa-website.org/abstracts/contents17_1-4.html. Retrieved 2014-01-29. 
  11. ↑ "Wood anatomy of Exostyles venusta (Swartzieae, Papilionoideae, Leguminosae)". International Association of Wood Anatomists Journal 20 (1): 59–66. 1999. doi:10.1163/22941932-90001548. http://iawa-website.org/IAWA%20J%20pdf%27s/20.no.1-4.1999/20.1.59_66.pdf. Retrieved 2014-01-29. 
  12. ↑ "Floral ontogeny of Lecointea, Zollernia, Exostyles, and Harleyodendron (Leguminosae: Papilionoideae: Swartzieae s.l.)". American Journal of Botany 89 (10): 1553–1569. 2002. doi:10.3732/ajb.89.10.1553. PMID 21665582. 

Wikidata ☰ Q16981952 entry




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