Exostyleae
Clade of legumes From Wikipedia, the free encyclopedia
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]
| Exostyleae | |
|---|---|
| |
| Zollernia latifolia | |
| Scientific classification | |
| 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 | |
| |
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
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