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Fabales

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The order Fabales Bromhead, including Leguminosae (= Fabaceae Lindl.), Polygalaceae Hoffmanns. & Link, Quillajaceae D. Don, and Surianaceae Arn., is a group that emerged from angiosperm phylogenies based on DNA sequence data (e.g. Chase et al. 1993 ; APG 2003 ). Fabales is part of eurosids I and together with Fagales, Cucurbitales, and Rosales forms the “nitrogen-fixing clade”

Quillajaceae and Surianaceae are relatively species-poor lineages compared with Leguminosae and Polygalaceae, and their floral morphology and development are unusual within Fabales [1] [2] [3]

Recently Leguminosae is divided in six subfamilies Cercidoideae Detarioideae Duparquetioideae dialioideade Caesalpinioideae and Papilionoideae

Links

The 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

__ A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny Taxon 66(1):44-77

References

References:
  1. ↑ Floral Morphology and Development in Quillajaceae and Surianaceae (Fabales), the Species-poor Relatives of Leguminosae and Polygalaceae
  2. ↑ M A Bello et al. 2009 Elusive Relationships Within Order Fabales: Phylogenetic Analyses Using matK and rbcL Sequence Data Syst Bot
  3. ↑ Li H.-L 2015 Large-scale phylogenetic analyses reveal multiple gains of actinorhizal nitrogen-fixing symbioses in angiosperms associated with climate change Sci reports 5, 14023; doi: 10.1038/srep14023
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