The ADA clade is the earliest-branching monophyletic clade of the flowering plant subfamily Faboideae (or Papilionaceae). Evidence for this clade was sparse until recent molecular phylogenies that included basal faboid genera that previously had been poorly sampled.
This clade is composed of a morphologically eclectic collection of genera. It is one of only three clades (the other two being Swartzieae and the Cladrastis clade) in Faboideae that lack the 50-Kb plastid DNA inversion that is characteristic of the Meso-Papilionoideae. The name of this clade is informal and is not assumed to have any particular taxonomic rank like the names authorized by the ICBN or the ICPN. The clade does not currently have a node-based definition and no morphological synapomorphies have been identified.
- Cardoso D, de Queiroz LP, Pennington RT, de Lima HC, Fonty É, Wojciechowski MF, Lavin M. (2012). "Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages". Am J Bot 99 (12): 1991–2013. doi:10.3732/ajb.1200380.
- Wojciechowski MF. (2013). "Towards a new classification of Leguminosae: Naming clades using non-Linnaean phylogenetic nomenclature". S Afr J Bot 89: 85–93. doi:10.1016/j.sajb.2013.06.017.
- Ireland HE, Pennington RT, Preston J. (2000). "Molecular systematics of the Swartzieae". In Herendeen PS, Bruneau A.. Advances in Legume Systematics, Part 9. Kew, UK: Royal Botanic Gardens. pp. 277–298. ISBN 184246017X.
- Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wykd B-E, 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.
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