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{{Taxobox
| color = lightgreen
| name = Winter-hazel
| image = Corylopsis spicata1.jpg
| image_width = 240px
| image_caption = ''Corylopsis spicata'' in flower
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Saxifragales]]
| familia = [[Hamamelidaceae]]
| genus = '''''Corylopsis'''''
| genus_authority = [[Philipp Franz von Siebold|Siebold]] & [[Joseph Gerhard Zuccarini|Zucc.]]
| subdivision_ranks = Species
| subdivision =
}}
'''''Corylopsis''''' is a genus of nearly 30 species of [[shrub]]s in the witch hazel family, [[Hamamelidaceae]], native to eastern [[Asia]] with the majority of species endemic in [[China]] but with some also in [[Japan]], [[Korea]], and the [[Himalaya]].
They grow to 2-6 m tall, and often with a crown wider than tall. The [[leaf|leaves]] are ovate with an acute apex and a serrated margin, 4-20 cm long and 3-15 cm broad. The [[flower]]s are produced in late winter in pendulous [[raceme]]s 3-9 cm long with 5-30 flowers; each flower has five pale yellow petals, 4-9 mm long. The [[fruit]] is a dry [[capsule (fruit)|capsule]] 10-12 mm long, containing two glossy black [[seed]]s.
;Selected species:Native to China unless otherwise indicated
{|
|- valign=top
|
*''[[Corylopsis alnifolia]]''
*''[[Corylopsis brevistyla]]''
*''[[Corylopsis glabrescens]]'' (Japan, Korea)
*''[[Corylopsis glandulifera]]''
*''[[Corylopsis glaucescens]]''
*''[[Corylopsis griffithii]]'' (Himalaya)
*''[[Corylopsis henryi]]''
*''[[Corylopsis himalayana]]'' (Himalaya)
*''[[Corylopsis microcarpa]]''
*''[[Corylopsis multiflora]]''
*''[[Corylopsis obovata]]''
*''[[Corylopsis omeiensis]]''
|
*''[[Corylopsis pauciflora]]'' (Japan, Taiwan)
*''[[Corylopsis platypetala]]''
*''[[Corylopsis rotundifolia]]''
*''[[Corylopsis sinensis]]''
*''[[Corylopsis spicata]]'' (Japan)
*''[[Corylopsis stelligera]]''
*''[[Corylopsis trabeculosa]]''
*''[[Corylopsis veitchiana]]''
*''[[Corylopsis velutina]]''
*''[[Corylopsis willmottiae]]''
*''[[Corylopsis yui]]''
*''[[Corylopsis yunnanensis]]''
|}
===Cultivation and uses===
[[image:Corylopsis_Pauciflora_A.jpg|thumb|Corylopsis Pauciflora]]They are often grown in gardens for their very early, yellow flowers. They do have weak branches though, which are often damaged by heavy snow loads. ''Corylopsis'' prefers to grow in semi-shade or shade, protected from strong winds. It grows best on humus-rich soils. The sweetly scented flowering branches keep well in a vase. ''Corylopsis'' also makes good bonsai plants, especially ''C. pauciflora''.
==References==
*[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=108087 Flora of China: ''Corylopsis'']
[[Category:Saxifragales]]
{{Saxifragales-stub}}
| color = lightgreen
| name = Winter-hazel
| image = Corylopsis spicata1.jpg
| image_width = 240px
| image_caption = ''Corylopsis spicata'' in flower
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Saxifragales]]
| familia = [[Hamamelidaceae]]
| genus = '''''Corylopsis'''''
| genus_authority = [[Philipp Franz von Siebold|Siebold]] & [[Joseph Gerhard Zuccarini|Zucc.]]
| subdivision_ranks = Species
| subdivision =
}}
'''''Corylopsis''''' is a genus of nearly 30 species of [[shrub]]s in the witch hazel family, [[Hamamelidaceae]], native to eastern [[Asia]] with the majority of species endemic in [[China]] but with some also in [[Japan]], [[Korea]], and the [[Himalaya]].
They grow to 2-6 m tall, and often with a crown wider than tall. The [[leaf|leaves]] are ovate with an acute apex and a serrated margin, 4-20 cm long and 3-15 cm broad. The [[flower]]s are produced in late winter in pendulous [[raceme]]s 3-9 cm long with 5-30 flowers; each flower has five pale yellow petals, 4-9 mm long. The [[fruit]] is a dry [[capsule (fruit)|capsule]] 10-12 mm long, containing two glossy black [[seed]]s.
;Selected species:Native to China unless otherwise indicated
{|
|- valign=top
|
*''[[Corylopsis alnifolia]]''
*''[[Corylopsis brevistyla]]''
*''[[Corylopsis glabrescens]]'' (Japan, Korea)
*''[[Corylopsis glandulifera]]''
*''[[Corylopsis glaucescens]]''
*''[[Corylopsis griffithii]]'' (Himalaya)
*''[[Corylopsis henryi]]''
*''[[Corylopsis himalayana]]'' (Himalaya)
*''[[Corylopsis microcarpa]]''
*''[[Corylopsis multiflora]]''
*''[[Corylopsis obovata]]''
*''[[Corylopsis omeiensis]]''
|
*''[[Corylopsis pauciflora]]'' (Japan, Taiwan)
*''[[Corylopsis platypetala]]''
*''[[Corylopsis rotundifolia]]''
*''[[Corylopsis sinensis]]''
*''[[Corylopsis spicata]]'' (Japan)
*''[[Corylopsis stelligera]]''
*''[[Corylopsis trabeculosa]]''
*''[[Corylopsis veitchiana]]''
*''[[Corylopsis velutina]]''
*''[[Corylopsis willmottiae]]''
*''[[Corylopsis yui]]''
*''[[Corylopsis yunnanensis]]''
|}
===Cultivation and uses===
[[image:Corylopsis_Pauciflora_A.jpg|thumb|Corylopsis Pauciflora]]They are often grown in gardens for their very early, yellow flowers. They do have weak branches though, which are often damaged by heavy snow loads. ''Corylopsis'' prefers to grow in semi-shade or shade, protected from strong winds. It grows best on humus-rich soils. The sweetly scented flowering branches keep well in a vase. ''Corylopsis'' also makes good bonsai plants, especially ''C. pauciflora''.
==References==
*[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=108087 Flora of China: ''Corylopsis'']
[[Category:Saxifragales]]
{{Saxifragales-stub}}
