''Prunus'' × ''yedoensis''

Prunus × yedoensis
Yoshino cherry tree in flower
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rosaceae
Genus: Prunus
Subgenus: Cerasus
Species: P. × yedoensis
Binomial name
Prunus × yedoensis
Matsum.

Prunus × yedoensis, Prunus × yedoensis 'Somei-yoshino' or Yoshino cherry (Japanese: 染井吉野 Somei Yoshino) (synonym Cerasus × yedoensis) is a hybrid cherry of between Prunus speciosa (Oshima zakura) as father plant and Prunus pendula f. ascendens (Edo higan) as mother.[1][2] It occurs as a natural or artificial hybrid in Japan and is now one of the most popular and widely planted cultivated flowering cherries (sakura) in temperate climates worldwide.[3][4] It is a clone from a single tree and propagated by grafting to all over the world.[5][6]

Names

Yoshino cherry is initially believed to be native to Yoshino District, Nara. In 1900, Kimei Fujino gave Yoshino cherry the name Somei-yoshino after the famous place of cultivation Somei village (current day Toshima).[7] In 1901, Yoshino cherry was given a scientific name Prunus yedoensis by Jinzō Matsumura.[8] However, after Ernest Henry Wilson suggested Yoshino cherry is a hybrid between Prunus subhirtella var. ascendens (Edo higan) and Prunus lannesiana (Oshima zakura) in 1916,[9] Yoshino cherry became to be called Prunus × yedoensis.[10] As for the Korean native cherry called king cherry (왕벚나무) which was given a scientific name Prunus yedoensis var. nudiflora by a German botanist Bernhard Adalbert Emil Koehne in 1912 continues to be called Prunus yedoensis.[11][12]

Yoshino cherry has no scientific cultivar name because it is the original cultivar of this hybrid species Prunus × yedoensis. A new name, 'Somei-yoshino' is proposed in accordance with other cultivars of Prunus × yedoensis.[13]

Description

Prunus × yedoensis is a small, deciduous tree that at maturity grows to be 5 to 12 metres (16–39 ft) (rarely 15 metres (49 ft)) tall. It grows well in hardiness zones 5–8 and does well in full sun and moist but well drained soil. The leaves are alternately arranged, 6 to 15 centimetres (2.4–5.9 in) long and 4 to 7 centimetres (1.6–2.8 in) broad, with a serrated margin; they are often bronze-toned when newly emerged, becoming dark green by summer.

The flowers emerge before the leaves in early spring; they are fragrant, 3 to 3.5 centimetres (1.2–1.4 in) in diameter, with five white or pale pink petals. The flowers grow in clusters of five or six together.

The fruit, a small cherry, is a globose drupe 8 to 10 millimetres (0.31–0.39 in) in diameter; they are an important source of food for many small birds and mammals, including robins and thrushes. The fruit contain little flesh and much concentrated red juice, which can stain clothing and brick. The fruit is only marginally sweet to the human palate.[3][4]

Cultivation

Some yoshino blossoms

Because of its fragrant, light pink flowers, manageable size, and elegant shape, the Yoshino cherry is often used as an ornamental tree. Many cultivars have been selected; notable examples include 'Akebono', 'Ivensii', and 'Shidare Yoshino'.[3]

From the Edo period to the beginning of the Meiji period, gardeners and craftsman who made the village at Somei in Edo (now Komagome, Toshima ward, Tokyo) grew someiyoshino. They first offered them as Yoshinozakura, but in 1900, they were renamed someiyoshino by Dr. Fujino.[14] This is sometimes rendered as 'Somei-Yoshino'.

The Yoshino cherry was introduced to Europe and North America in 1902.[15] This tree, along with the cultivar Kwanzan (derived from the related Prunus serrulata), is responsible for the spectacular pink show each spring in Washington D.C. and other cities. Several of 2000 Japanese cherry trees given to the citizens of Toronto by the citizens of Tokyo in 1959 were planted in High Park.

Putative parental species

Most studies show that Yoshino cherry is a hybrid between Prunus speciosa (Oshima zakura) and Prunus pendula f. ascendens (Edo higan).

Origin debates

However, Korea media still assert that King cherry is the same species as Yoshino cherry.[28][29][30]

Other cultivars

Prunus × yedoensis has many cultivars other than ‘yedoensis’ (Somei-yoshino).[18]

See also

References

  1. Satoshi Ohta; Shinsuke Osumi; Toshio Katsuki; Ikuo Nakamura; Toshiya Yamamoto; Yo-Ichiro Sato (2006). "Genetic characterization of flowering cherries (Prunus subgenus Cerasus) using rpl16-rpl14 spacer sequences of chloroplast DNA". 園芸雑誌(J. Japan. Soc. Hort. Sci.). 75 (1): 72–78. doi:10.2503/jjshs.75.72. Retrieved 2011-04-06.
  2. Online Resource 5. Inferences, from morphological classification and STRUCTURE analysis, on the origins of Japanese flowering cherry cultivars p.7 ‘Yedoensis’/染井吉野 (Cer194) 、STRUCTURE analysis (K = 11)、 Tree Genetics & Genomes Volume 10, Issue 3(2014) , pp 477-487、30 Jan. 2014、Supplementary Material (5) 11295_2014_697_MOESM5_ESM.pdf (318KB)
  3. 1 2 3 Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.
  4. 1 2 Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
  5. 1 2 3 H. Innan, R.Terauchi, NT Miyashita, K Tsunewaki (1995). "DNA fingerprinting study on the intraspecific variation and the origin of Prunus yedoensis (Someiyoshino).". Japanese Journal of Genetics. 70 (2): 185–196. PMID 7605671. doi:10.1266/jjg.70.185.
  6. Iketani, H.; et al. (2007). "Analyses of clonal status in 'Somei-yoshino' and confirmation of geneaogical record in other cultivars of Prunus ×yedoensis by microsatellite markers". Breeding Science. 57: 1–6. doi:10.1270/jsbbs.57.1.
  7. Fujino, Kimei (1900). "上野公園桜花の性質" [Characteristics of flowering cherry in Ueno Park]. 日本園芸会雑誌 [Journal of Japan Horticulture Society] (in Japanese). 日本園芸会 [Japan Horticulture Society]. 92: 1–19.
  8. Matsumura, Jinzō (1901). "Cerasi Japonicæ duæ Species novæ". Botanical Magazine, Tokyo (Shokubutsugaku Zasshi) (in Latin). The Botanical Society of Japan. 15: 99–101.
  9. 1 2 Wilson, E. H. (1916). "The Cherries of Japan". Publications of the Arnold Arboretum. Harvard University Press (7): 16.
  10. Masamune, Genkei, Suzuki, Shigeyoshi (1936). "日本產サクラ屬の學名に就いて" [Nomenclature of Cerasus in Japan]. 台北農林学会報 [Journal of Taipei society of Agriculture and Forestry]. Taipei society of Agriculture and Forestry. 1 (3): 316–318. Prunus × yedoensis (Matsum.) Masam. & Suzuki
  11. Koehne, Von E. (1912). "95 Prunus yedoensis var. nudiflora, nov. var.". Repertorium Specierum Novarum Regni Vegetabilis. Herausgebers. 10: 507. doi:10.1002/fedr.19120103013.
  12. 1 2 Roh, M.S., Cheong, E.J., Choi, I-Y and Young, Y.H. (2007). "Characterization of wild Prunus yedoensis analyzed by inter-simple sequence repeat and chloroplast DNA.". Scientia Horticulturae. 114 (2): 121–128. doi:10.1016/J.scientia2007.06.005. Retrieved 2011-04-19.
  13. Iketani, Hiroyuki; et al. (2006). "Prunus xyedoensis 'Somei-yoshino', a Correct Cultivar Name for Yoshino Cherry" (PDF). The Journal of Japanese Botany. 81 (2): 123–125.
  14. 染井吉野 (in Japanese). 語源由来辞典. Retrieved 2010-03-31.
  15. Mitchell, A. F. (1974). A Field Guide to the Trees of Britain and Northern Europe. Collins ISBN 0-00-212035-6
  16. 1 2 Takenaka, Yo (1963). "The Origin of the Yoshino cherry tree". Journal of Heredity. 54: 207-211. I visited the (Quelpart) island in 1933 and observed that the tree, which was growing wild, showed differences from P. yedoensis; the hairs on calyx lobes and on the lower side of leaves were less numerous, and the peduncles were shorter. I concluded that it could not be P. yedoensis. I assumed that it might be a hybrid between P. subhirtella var. pendula form ascendens (Edo-higan) and P. quelpartensis (Tanna-Yamazakura; perhaps a form of P. verecunda) or some other cherry species
  17. Kaneko, Takafumi (1986). "Studies on the origin of crop species by restriction endonuclease analysis of organellar DNA. II. Restriction analysis of ctDNA of 11 Prunus species". The Japanese Journal of Genetics. 61 (2): 157–168. doi:10.1266/jjg.61.157.
  18. 1 2 Kato, Shuri; et al. (June 2014). "Origins of Japanese flowering cherry (Prunus subgenus Cerasus) cultivars revealed using nuclear SSR markers" (PDF). Tree Genetics & Genomes. 10 (3): 477–487. doi:10.1007/s11295-014-0697-1. Online Resource 5
  19. Nakamura, Ikuo; et al. (2015). "Origin of Prunus × yedoensis 'Somei-yoshino' based on sequence analysis of PolA1 gene". Advances in Horticultural Science. 29 (1): 17–23.
  20. Koehne, Von E. (1912). "95 Prunus yedoensis var. nudiflora, nov. var.". Repertorium Specierum Novarum Regni Vegetabilis. Herausgebers. 10: 507. doi:10.1002/fedr.19120103013.
  21. 1 2 Koidzumi, Gen-ichi (June 1932). "雑録 – 染井吉野桜の天生地分明かす" [Adversaria – Prunas yedoensis MATSUM. is a native of Quelpaert!]. 植物分類・地理 [Acta phytotaxonomica et geobotanica] (in Japanese). 植物分類地理學會 [The Japanese Society for Plant Systematics]. 1 (2): 177–179. ...此時以來ソメヰヨシノザクラは濟州島に自生すと誤り傳へられ,... ... されば現今ソメヰヨシノザクラの原産地は濟州島なり。...
  22. Iketani, Hiroyuki; et al. (2007). "Analyses of Clonal Status in ‘Somei-yoshino’ and Confirmation of Genealogical Record in Other Cultivars of Prunus × yedoensis by Microsatellite Markers" (PDF). Breeding Science. 57: 1–6. doi:10.1270/jsbbs.57.1. natural hybridization either in the Izu peninsula, on Izu-oshima Island or on Cheju-do Island in Korea, although the possibility of the latter location was ruled out by Takenaka (1962)
  23. ソメイヨシノとその近縁種の野生状態とソメイヨシノの発生地. 筑波大農林研報 (1991), 3:95–110.
  24. Nakamura, Ikuo; et al. (2014). "Diversity and breeding of flowering cherry in Japan". Advances in Horticultural Science. 28 (4): 236–143. While Edohigan is distributed in most areas of Japan, Oshimazakura (of the Yamazakura group) is an endemic species found around the Izu and Boso Peninsulas.
  25. Kato, Shuri (2011). "Genetic structure of island populations of Prunus lannesiana var. speciosa revealed by chloroplast DNA, AFLP and nuclear SSR loci analyses". Journal of Plant Research. 124 (1): 11–23. doi:10.1007/s10265-010-0352-3. The wild flowering cherry Prunus lannesiana var. speciosa is highly geographically restricted, being confined to the Izu Islands and neighboring peninsulas in Japan
  26. Cho, Myong-suk; et al. (2016). "The origin of flowering cherry on oceanic islands: The saga continues in Jeju Island.". Botany 2016. Botanical Society of America.
  27. Katsuki, Toshio; et al. (December 2016). "Nomenclature of Tokyo cherry (Cerasus × yedoensis 'Somei-yoshino', Rosaceae) and allied interspecific hybrids based on recent advances in population genetics". Taxon. International Association for Plant Taxonomy. 65 (6): 1415–1419. doi:10.12705/656.13.
  28. "[취재후] 꽃의 전쟁…벚꽃의 원산지는?" [Flower war...Origin of Cherry tree?] (in Korean). KBS. April 11, 2014.
  29. "“포트맥 강변의 왕벚나무도 제주도산”" [King cherry around Potmac river derived from Jeju]. Chosun.com. 7 February 2017. 두 나라에서 발견된 왕벚나무는 유전적으로 동일합니다[Cherry trees found in both countries are genetically identical]
  30. "왕벚꽃 100년 논란 "제주가 진짜 원산지"" [King cherry 100 years controversy "Jeju is the real origin"]. Yonhapnews. 26 March 2017.

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