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|genus=Gleditsia
|genus=Gleditsia
|species=caspica
|species=caspica
|habit=shrub
|common_name=Caspian locust
|Min ht box=40
|name_ref=Wikipedia
|Min ht metric=ft
|habit=tree
|habit_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|Max ht box=40
|Max ht metric=ft
|height_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|height_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|Min wd box=35
|Max wd box=35
|Min wd metric=ft
|Max wd metric=ft
|width_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|width_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|exposure=sun
|exposure=sun
|sun_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|sun_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|features=flowers
|Temp Metric=°F
|Temp Metric=°F
|min_zone=6
|min_zone=6
|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|max_zone=10
|max_zone=10
|image=Gleditsia_caspica.jpg
|image=Upload.png
|image_width=240
|image_width=240
}}
}}
'''''Gleditsia caspica''''' ('''Caspian Locust''' or '''Persian Honeylocust''') is a species of ''[[Gleditsia]]'' native to western [[Asia]], in the [[Caucasus]] region of [[Azerbaijan]] and northern [[Iran]], close to the [[Caspian Sea]].<ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?17630 ''Gleditsia caspica'']</ref><ref name=rhs>Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.</ref>
It is a medium-sized [[deciduous]] [[tree]] growing to 12 m tall, with the trunk covered in numerous, 10–20 cm long branched spines. The [[leaf|leaves]] are pinnate or bipinnate, up to 25 cm long, with 12–20 leaflets; bipinnate leaves have six to eight pinnae. The leaflets are up to 5 cm long and 2 cm broad. The [[flower]]s are greenish, produced in [[raceme]]s up to 10 cm long. The [[fruit]] is a [[legume|pod]] 20 cm long and 3 cm broad.<ref name=rhs/><ref name=cirrusimage>Cirrusimage: [http://www.cirrusimage.com/tree_locust_caspian.htm ''Gleditsia caspica'']</ref>
It is closely related to ''[[Gleditsia japonica]]'' (syn. ''G. horrida'') from eastern Asia, and is treated as a [[subspecies]] of it by some botanists, ''Gleditsia horrida'' subsp. ''caspica'' (Desf.) J.Paclt.<ref name=paclt>Paclt, J. (1982). Gleditsia caspia, Not a Distinct Species (Leguminosae). ''Taxon'' 31 (2): 336-339 [http://links.jstor.org/sici?sici=0040-0262%28198205%2931%3A2%3C336%3AGCNADS%3E2.0.CO%3B2-A&size=LARGE&origin=JSTOR-enlargePage Abstract].</ref>
==Cultivation==
==Cultivation==
