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Wisterieae

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Wisterieae
Flowering Wisteria sinensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Clade: Meso-Papilionoideae
Clade: Non-protein amino acid-accumulating clade
Clade: Hologalegina
Clade: Inverted repeat-lacking clade
Tribe: Wisterieae
X.Y.Zhu[1]
Genera

See text

Wisterieae is a tribe of flowering plants in the bean family Fabaceae. The tribe was first described in 1994 for the sole genus Wisteria, but was greatly expanded in 2019 to include 13 genera, six of which were new. Five had previously been placed in the tribe Millettieae. Members of the tribe are climbers of various kinds.[2] Some, like Wisteria, are cultivated for their flowers.

Description

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Members of the tribe Wisterieae are either woody lianas or sprawling climbing shrubs. All species have their flowers arranged in either true panicles or true racemes (as opposed to pseudopanicles or pseudoracemes). The tribe belongs to the Inverted repeat-lacking clade; all genera lack one 25 kilobase long copy of the inverted repeat in the chloroplast genome, distinguishing them from genera in the tribe Millettieae, which do not lack this inverted repeat.[2]

Taxonomy

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The tribe was established in 1994 by X. Y. Zhu,[1] based on features of Wisteria pollen.[3] Most older genera that are now placed in Wisterieae were previously placed in the tribe Millettieae. As circumscribed in the 1980s, Millettieae was morphologically diverse and was later found to be polyphyletic. A number of studies separated off the "Callerya group" on both morphological and genetic grounds. In particular, unlike the rest of the broadly defined Millettieae, the Callerya group belonged to the Inverted repeat-lacking clade.[3] A 2019 molecular phylogenetic resulted in most of the Callerya group being placed in an expanded tribe Wisterieae, which included six newly created genera. The study suggested that the genera included in the tribe could be divided into five major clades, A to E, which were related as shown in the following cladogram:[2]

Tribe Wisterieae

The monophyly of Wisterieae and its broad division into five clades was supported in a 2021 study, with some small differences in clade C. Serawaia was not included in the study, and Callerya bonatiana fell outside the genus Callerya when nuclear ribosomal DNA was used, and was placed in a new genus Villosocallerya.[3]

Genera

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In 2019, Compton et. al. included 13 genera in their circumscription of the tribe:[2]

References

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  1. ^ a b "Wisterieae X.Y.Zhu", The International Plant Names Index, retrieved 2023-01-06
  2. ^ a b c d Compton, James A.; Schrire, Brian D.; Könyves, Kálmán; Forest, Félix; Malakasi, Panagiota; Sawai Mattapha & Sirichamorn, Yotsawate (2019), "The Callerya Group redefined and Tribe Wisterieae (Fabaceae) emended based on morphology and data from nuclear and chloroplast DNA sequences", PhytoKeys (125): 1–112, doi:10.3897/phytokeys.125.34877, PMC 6610001, PMID 31303810
  3. ^ a b c Duan, Lei; Li, Shi-Jin; Su, Chun; Sirichamorn, Yotsawate; Han, Li-Na; Ye, Wen; Lôc, Phan Ke; Wen, Jun; Compton, James A.; Schrire, Brian; Nie, Ze-Long & Chen, Hong-Feng (2021), "Phylogenomic framework of the IRLC legumes (Leguminosae subfamily Papilionoideae) and intercontinental biogeography of tribe Wisterieae", Molecular Phylogenetics and Evolution, 163: 107235, Bibcode:2021MolPE.16307235D, doi:10.1016/j.ympev.2021.107235, PMID 34146677


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