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{{Short description|Genus of flowering plants in the legume family Fabaceae}}
{{For|the Australian tree commonly named "Albizia"|Paraserianthes lophantha}}
{{Automatic taxobox
|image = Albizia julibrissin4.jpg
|image_caption = Persian silk tree (''[[Albizia julibrissin]]''),<br/>foliage and blossoms
|taxon = Albizia
|authority = [[Antonio Durazzini|Durazz.]] (1772)
|diversity = About 150 species
|diversity_link = List of Albizia species
|synonyms =
* ''Albizzia'' <small>[[George Bentham|Benth.]]</small>
* ''Arthrosprion'' {{small|Hassk. (1855)}}
* ''Besenna'' <small>A. Rich. (1848)</small>
* ''Parasamanea'' <small>Kosterm. (1954)</small>
* ''Parenterolobium'' <small>Kosterm. (1954)</small>
* ''Sassa'' <small>Bruce ex J. F. Gmel. (1792)</small>
* ''Serialbizzia'' <small>Kosterm. (1954)</small>
* ''Sericandra'' {{small|Raf. (1838)}}
|synonyms_ref = <ref name = powo>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30017224-2 ''Albizia'' Durazz.] ''[[Plants of the World Online]]''. Retrieved 4 August 2023.</ref>
}}
{{multiple image
| footer = ''[[Albizia procera]]'' fruits
| direction = vertical
| image1 = Doon Siris (Albizia procera) pod at Jayanti, Duars, West Bengal W Picture 215.jpg
| alt1 = Dry fruits
| image2 = Albizia green fruits.jpg
| alt2 = Green fruits
}}
'''''Albizia''''' is a [[genus]] of more than 160 [[species]] of mostly fast-growing [[Subtropics|subtropical]] and [[Tropics|tropical]] [[tree]]s and [[shrub]]s in the subfamily [[Mimosoideae]] of the [[family (biology)|family]] Fabaceae. The genus is [[pantropical]], occurring in Asia, Africa, Madagascar, America and Australia, but mostly in the [[Old World]] tropics. In some locations, some species are considered [[weed]]s.
They are commonly called '''silk plants''', '''silk trees''', or '''sirises'''. The obsolete spelling of the generic name – with double 'z' – is still common, so the plants may be called '''albizzias'''. The generic name honors the Italian nobleman [[Albizzi|Filippo degli Albizzi]], who introduced ''[[Albizia julibrissin]]'' to Europe in the mid-18th century.{{r|pa}} Some species are commonly called '''mimosa''', which more accurately refers to plants of genus ''[[Mimosa]]''. Species from southeast Asia used for timber are sometime termed '''East Indian walnut'''.
==Description==
They are usually small trees or shrubs with a short lifespan, though the famous ''Samán del Guère'' near [[Maracay]] in [[Venezuela]] is a huge ''[[Albizia saman]]'' specimen several hundred years old. The [[Leaf|leaves]] are [[pinnate]]ly or bipinnately compound. The small [[flower]]s are in bundles, with [[stamen]]s much longer than the [[petal]]s. The stamens are usually showy, although in some species such as ''[[Albizia canescens|A. canescens]]'' the flowers are inconspicuous.{{r|Lowry2008}}
Unlike those of ''Mimosa'', ''Albizia'' flowers have many more than 10 stamens. ''Albizia'' can also be told apart from another large related genus, ''[[Acacia]]'', by its stamens, which are joined at the bases instead of separate.{{r|PS}}
==Taxonomy==
Numerous species placed in ''Albizia'' by early authors were eventually moved to other genera, most notably ''[[Archidendron]]''. Other genera of [[Ingeae]] (''[[Abarema]]'', ''[[Archidendropsis]]'', ''[[Blanchetiodendron]]'', ''[[Calliandra]]'', ''[[Cathormion]]'', ''[[Enterolobium]]'', ''[[Havardia]]'', ''[[Hesperalbizia]]'', ''[[Hydrochorea]]'', ''[[Pararchidendron]]'', ''[[Paraserianthes]]'', ''[[Pseudosamanea]]'' and ''[[Serianthes]]'') have also received their share of former ''Albizia'' species, as have the [[Mimoseae]] ''[[Newtonia (plant)|Newtonia]]'' and ''[[Schleinitzia]]''. Some presumed "silk trees" are in fact misidentified members of the not very closely related genus ''[[Erythrophleum]]'' from the [[Caesalpinioideae]] and ''[[Lebeckia]]'' from the [[Faboideae]].{{r|ildis}}
The delimitation of ''[[Falcataria]]'' and ''[[Pithecellobium]]'', close relatives of ''Albizia'', is notoriously complex, with species having been moved between the genera time and again, and this will likely continue. These include ''[[Falcataria falcata]]'' (the Moluccan albizia, formerly named ''Albizia moluccana''), a common shade tree on [[tea]] plantations. Other closely related genera like ''[[Chloroleucon]]'' and ''[[Samanea]]'' are often merged with ''Albizia'' entirely.{{r|ildis}}
==Uses==
Albizias are important [[forage]], [[timber]], and [[medicinal plants]],{{r|Lowry1994}}{{r|pmid23479194}} and many are cultivated as [[ornamental plant|ornamentals]] for their attractive flowers – notably ''[[Albizia julibrissin]]''.<ref>{{cite web | url = https://www.rhs.org.uk/Plants/Search-Results?form-mode=false&query=Albizia%20julibrissin | title = ''Albizia julibrissin'' | publisher = RHS | access-date = 27 February 2020}}</ref>
Some species are used as food plants by the [[Caterpillar|larvae]] of [[moth]]s in the genus ''[[Endoclita]]'', including ''[[Endoclita damor|E. damor]]'', ''[[Endoclita malabaricus|E. malabaricus]]'', and ''[[Endoclita sericeus|E. sericeus]]''.
==See also==
* [[List of Albizia species|List of ''Albizia'' species]]
==References==
{{reflist|refs=
<ref name="ildis">ILDIS (2005)</ref>
<ref name="pa">[https://albizzia.store/blogs/news/albizadian''Albizia adianthifolia''] Credit to South African National Biodiversity Institute.</ref>
<ref name="Lowry1994">Lowry, J.B.; Prinsen, J.H. & Burrows, D.M. (1994): 2.5 Albizia lebbeck – a Promising Forage Tree for Semiarid Regions. ''In:'' {{aut|Gutteridge, Ross C. & Shelton, H. Max (eds.)}}: ''Forage Tree Legumes in Tropical Agriculture''. CAB Intemational. [http://www.fao.org/ag/agP/agpc/doc/Publicat/Gutt-shel/x5556e0a.htm HTML fulltext] {{Webarchive|url=https://web.archive.org/web/20070405002929/http://www.fao.org/ag/AGP/AGPC/doc/Publicat/Gutt-shel/x5556e0a.htm |date=2007-04-05}}</ref>
<ref name="Lowry2008">Lowry, J.B. 2008. ''Trees for Wood and Animal Production in Northern Australia''. Rural Industries Research and Development Corporation. Indooroopilly, Queensland.</ref>
<ref name="PS">{{cite book|last=Singh|first=Gurcharan|title=Plant Systematics: An Integrated Approach|publisher=Science Publishers|year=2004|pages=445|isbn=1-57808-351-6|url=https://books.google.com/books?id=In_Lv8iMt24C}}</ref>
<ref name="pmid23479194">{{cite journal| vauthors=Joycharat N, Thammavong S, Limsuwan S, Homlaead S, Voravuthikunchai SP, Yingyongnarongkul BE, Dej-Adisai S, Subhadhirasakul S| title= Antibacterial substances from Albizia myriophylla wood against cariogenic Streptococcus mutans | journal=Archives of Pharmacal Research | year= 2013 | volume= 36 | issue= 6 | pages= 723–730 | pmid=23479194 | doi= 10.1007/s12272-013-0085-7| s2cid= 11823016}}</ref>
}}
==External links==
{{Commons category}}
{{AfricanPlants|Albizia}}
{{Taxonbar|from=Q664945}}
{{Authority control}}
[[Category:Albizia| ]]
[[Category:Forages]]
[[Category:Pantropical flora]]
[[Category:Fabaceae genera]]
[[zh:合欢]]
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