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| |image_caption=''Salix integra'' 'Hakuro Nishiki' | | |image_caption=''Salix integra'' 'Hakuro Nishiki' |
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− | '''''Salix integra''''' is a species of [[willow]] native to northeastern [[China]], [[Japan]], [[Korea]] and the far southeast of [[Russia]].<ref name=foc>Flora of China: [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005871 ''Salix integra'']</ref><ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?102705 ''Salix integra'']</ref> | + | '''''Salix integra''''' is a species of [[willow]] native to northeastern [[China]], [[Japan]], [[Korea]] and the far southeast of [[Russia]]. |
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− | It is a [[deciduous]] [[shrub]] growing to 2–6 m tall with greyish-green bark and reddish to yellowish shoots. The [[leaf|leaves]] are 2-10 cm long and 1-2 cm wide; they are pale green both above and below, and unusually for a willow, are often arranged in opposite pairs or whorls of three, rather than alternate. The [[flower]]s are produced in small [[catkin]]s 1-2.5 cm long in early spring; they are brownish to reddish in colour. It is [[plant sexuality|dioecious]], with male and female catkins on separate plants.<ref name=foc/><ref name=jt> | + | It is a [[deciduous]] [[shrub]] growing to 2–6 m tall with greyish-green bark and reddish to yellowish shoots. The [[leaf|leaves]] are 2-10 cm long and 1-2 cm wide; they are pale green both above and below, and unusually for a willow, are often arranged in opposite pairs or whorls of three, rather than alternate. The [[flower]]s are produced in small [[catkin]]s 1-2.5 cm long in early spring; they are brownish to reddish in colour. It is [[plant sexuality|dioecious]], with male and female catkins on separate plants. |
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− | It is closely related to the European and western Asian ''[[Salix purpurea]]'', and has been treated as a [[variety (botany)|variety]] of it by some authors, as ''S. purpurea'' var. ''multinervis'' (Franchet & Savatier) Matsumura, or as a subspecies ''S. purpurea'' subsp. ''amplexicaulis'' (Chaubard) C.K.Schneid.<ref name=foc/><ref name=jt/> | + | It is closely related to the European and western Asian ''[[Salix purpurea]]'', and has been treated as a [[variety (botany)|variety]] of it by some authors, as ''S. purpurea'' var. ''multinervis'' (Franchet & Savatier) Matsumura, or as a subspecies ''S. purpurea'' subsp. ''amplexicaulis'' (Chaubard) C.K.Schneid. |
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| ==Cultivation== | | ==Cultivation== |