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{{Taxobox
| color = lightgreen
| name = ''Kerria''
| image = Kerria japonica01.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Rosales]]
| familia = [[Rosaceae]]
| subfamilia = [[Rosoideae]]
| genus = '''''Kerria'''''
| species = '''''K. japonica'''''
| binomial = ''Kerria japonica''
| binomial_authority = ([[Carolus Linnaeus|L.]]) [[A. P. de Candolle|DC.]]
}}
'''''Kerria japonica''''', the sole species in the genus '''''Kerria''''', is a [[deciduous]] [[shrub]] in the [[rose family]] Rosaceae, native to eastern [[Asia]], in [[China]], [[Japan]] and [[Korea]]. It is named after [[William Kerr]], who introduced the [[cultivar]] 'Pleniflora'. The scientific genus name is also used as a common name '''Kerria'''.
It grows to 1-3 m tall, with weak arching stems often scrambling over other vegetation or rocks. The [[leaf|leaves]] are alternate, simple, 4-7 cm long, with a sharply serrated margin. The [[flower]]s are bright yellow, with five petals. The [[fruit]] is a dry single-[[seed]]ed [[achene]] 5 mm long.
===Cultivation and uses===
[[Image:Kerria japonica - flower.jpg|left|thumb|'Pleniflora']]
Kerria is a very popular [[ornamental plant]] in gardens, almost invariably using the double-flowered cultivar 'Pleniflora'. Another common name for it is the Japanese Yellow Rose.
{{Commons|Kerria japonica}}
[[Category:Rosaceae]]
[[Category:Flora of Japan]]
[[Category:Flora of China]]
[[Category:Flora of Korea]]
| color = lightgreen
| name = ''Kerria''
| image = Kerria japonica01.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Rosales]]
| familia = [[Rosaceae]]
| subfamilia = [[Rosoideae]]
| genus = '''''Kerria'''''
| species = '''''K. japonica'''''
| binomial = ''Kerria japonica''
| binomial_authority = ([[Carolus Linnaeus|L.]]) [[A. P. de Candolle|DC.]]
}}
'''''Kerria japonica''''', the sole species in the genus '''''Kerria''''', is a [[deciduous]] [[shrub]] in the [[rose family]] Rosaceae, native to eastern [[Asia]], in [[China]], [[Japan]] and [[Korea]]. It is named after [[William Kerr]], who introduced the [[cultivar]] 'Pleniflora'. The scientific genus name is also used as a common name '''Kerria'''.
It grows to 1-3 m tall, with weak arching stems often scrambling over other vegetation or rocks. The [[leaf|leaves]] are alternate, simple, 4-7 cm long, with a sharply serrated margin. The [[flower]]s are bright yellow, with five petals. The [[fruit]] is a dry single-[[seed]]ed [[achene]] 5 mm long.
===Cultivation and uses===
[[Image:Kerria japonica - flower.jpg|left|thumb|'Pleniflora']]
Kerria is a very popular [[ornamental plant]] in gardens, almost invariably using the double-flowered cultivar 'Pleniflora'. Another common name for it is the Japanese Yellow Rose.
{{Commons|Kerria japonica}}
[[Category:Rosaceae]]
[[Category:Flora of Japan]]
[[Category:Flora of China]]
[[Category:Flora of Korea]]