Cadia (plant)

Cadia
Cadia purpurea
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Podalyrieae[1][2]
Genus: Cadia
Forssk.
Species[3][4]
  • Cadia commersoniana Baill.
  • Cadia ellisiana Baker
  • Cadia emarginatior M. Peltier
  • Cadia pedicellata Baker
  • Cadia pubescens Baker
  • Cadia purpurea (G. Piccioli) Aiton
  • Cadia rubra R. Vig.

Cadia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae.

Unlike most plants in the Faboideae, it has radially symmetrical flowers. In related species with bilateral symmetry, such as those of Lupinus, the dorsal (upper or adaxial) part of the flower expresses one or more genes in the Cycloidea (CYC)/Dichotoma (DICH) family. In Cadia, these genes are expressed throughout the flower. Thus, from a molecular point of view, Cadia is not reversing the ancestral evolution from radial symmetry to bilateral symmetry, but obtaining radial symmetry from a new mechanism.[5]

References

  1. ↑ Boatwright JS; Savolainen V; Van Wyk B-E; Schutte-Vlok AL; Forest F.; Van der Bank M. (2008). "Systematic position of the anomalous genus Cadia and the phylogeny of the tribe Podalyrieae (Fabaceae)". Syst Bot. 33 (1): 133–147. doi:10.1600/036364408783887500.
  2. ↑ Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk BE, Wojciechowski MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001.
  3. ↑ "ILDIS LegumeWeb entry for Cadia". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 26 February 2014.
  4. ↑ USDA, ARS, National Genetic Resources Program. "GRIN species records of Cadia". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 26 February 2014.
  5. ↑ Citerne HL, Pennington RT, Cronk QC (August 8, 2006), "An apparent reversal in floral symmetry in the legume Cadia is a homeotic transformation", Proc Natl Acad Sci USA, 103 (32): 12017–12020, doi:10.1073/pnas.0600986103, PMC 1567690Freely accessible, PMID 16880394
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