''Prunus'' 'Kanzan' (''

Prunus serrulata ''Prunus serrulata'' or Japanese cherry is a species of cherry tree that grows wild in Japan, China, Korea, Vietnam, Taiwan, Laos, Myanmar, Thailand, Cambodia, India, Bangladesh, Bhutan, Nepal, Sri Lanka, Pakistan, Philippines, Malaysia, Indones ...

'' 'Kanzan'. syn. '' Prunus lannesiana'' 'Kanzan', ''Cerasus'' Sato-zakura Group 'Sekiyama' Koidz,Classification and Morphological Identification of Cherry Blossoms.
Toshio Katsuki (2017). Kwanzan or Sekiyama, Japanese 関山) is a

flowering cherry ''The Flowering Cherry'' is a 1958 play written by Robert Bolt. The play was performed on Broadway in 1959. Plot In an English household, the father dreams of giving up his job selling insurance to run an apple orchard, the mother dreams of him ...

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

. It was developed in the

Edo period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

as a result of multiple interspecific hybrids based on the Oshima cherry.Toshio Katsuki (2015). ''Sakura'' p.93 pp.103-104.

Iwanami Shoten is a Japanese publishing company based in Tokyo.Louis Frédéric, ''Japan Encyclopedia'', Harvard University Press, 2005, p. 409. Iwanami Shoten was founded in 1913 by Iwanami Shigeo. Its first major publication was Natsume Sōseki's novel '' ...

. It is a deciduous tree that grows to between high with an spread. Young trees have a vase-shaped habit that becomes more spreading into maturity. In winter they produce red buds, opening to diameter deep-pink double flowers. The trees, which are usually propagated by

chip budding Chip budding is a grafting technique A chip of wood containing a bud is cut out of scion with desirable properties (tasty fruit, pretty flowers, etc.). A similarly shaped chip is cut out of the rootstock, and the scion bud is placed in the cut ...

grafting Grafting or graftage is a horticulture, horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion () while the lower part is called the roots ...

, prefer a well-drained location in full sun. Kanzan Cherry Tree

'Kanzan' has pink petals, which are thought to have unexpectedly inherited the characteristics of the white Oshima cherry. The petals of the common Oshima cherry are white, but in rare cases, the petals are slightly pink due to the effect of

anthocyanin Anthocyanins (), also called anthocyans, are solubility, water-soluble vacuole, vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart named a chemical compou ...

, a

biological pigment A biological pigment, also known simply as a pigment or biochrome, is a substance produced by living organisms that have a color resulting from selective Absorption (electromagnetic radiation), color absorption. Biological pigments include plant ...

, and the petals are sometimes dark pink due to exposure to low temperature just before the flowers fall. The pink color of the Oshima cherry is generally suppressed in the wild, but it is thought that a mutation occurred during selection breeding to produce pink individuals, and then kanzan was produced. 'Kanzan' is the most popular Japanese cherry tree cultivar for cherry blossom viewing in Europe and North America. Compared with Yoshino cherry, a representative Japanese cultivar, it is popular because it grows well even in cold regions, is small and easy to plant in the garden, and has large flowers and deep pink petals. In the city of

Bonn, Germany Bonn () is a federal city in the German state of North Rhine-Westphalia, located on the banks of the Rhine. With a population exceeding 300,000, it lies about south-southeast of Cologne, in the southernmost part of the Rhine-Ruhr region. This ...

, there is a row of cherry trees where 300 'kanzan' trees were planted in the late 1980s. In Western countries, 'Pink Perfection' and 'Royal Burgundy' originating from Kanzan have been created.Toshio Katsuki. (2018) ''Sakura no Kagaku (Science of Cherry Blossoms)''. pp.40-42 SB Creative. Kirschblüte.
Bundesstadt Bonn.

References

Kanzan Ornamental plant cultivars Cherry blossom {{Prunus-stub