Koishikawa Botanical Gardens - sakura - march31-2015

Sunbeams streaming through leaves in the Koishikawa Botanical Gardens PC120037

The is a

botanical garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens, an ...

with an

arboretum An arboretum (plural: arboreta) in a general sense is a botanical collection composed exclusively of trees of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, man ...

operated by the

University of Tokyo , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

Graduate School of Science. They are located at 3-7-1 Hakusan, Bunkyō, Tokyo,

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, and open daily except Mondays; an admission fee is charged.

History

The

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

opened two botanical gardens in 1638 in Azaba and Ōtsuka neighborhoods of

Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...

for the purposes of growing medicinal herbs. In 1684, the Azabu gardens were abolished and relocated to

Koishikawa is a district of Bunkyo, Tokyo. It consists of five sub-areas, . In Koishikawa are located two well regarded gardens: the Koishikawa Botanical Garden (operated by the University of Tokyo) in Hakusan, and the Koishikawa Korakuen Garden in Kōra ...

, to the site of a villa owned by

Shogun , officially , was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamakur ...

Tokugawa Tsunayoshi was the fifth ''shōgun'' of the Tokugawa dynasty of Japan. He was the younger brother of Tokugawa Ietsuna, as well as the son of Tokugawa Iemitsu, the grandson of Tokugawa Hidetada, and the great-grandson of Tokugawa Ieyasu.Nussbaum, Louis-Fr ...

. At the time, it was called the . During the time of Shogun

Tokugawa Yoshimune was the eighth ''shōgun'' of the Tokugawa shogunate of Japan, ruling from 1716 until his abdication in 1745. He was the son of Tokugawa Mitsusada, the grandson of Tokugawa Yorinobu, and the great-grandson of Tokugawa Ieyasu. Lineage Yoshimune ...

, the entire site of Tsunayoshi's former villa was given over to the garden. In 1722, in response to a petition made to Yoshimune's famous "suggestion box" by town doctor Ogawa Tadafune for a medical clinic to serve the needs of the lower classes, the ''

machi-bugyō were ''samurai'' officials of the Tokugawa shogunate in Edo period Japan, this was amongst the senior administrative posts open to those who were not ''daimyō''.Beasley, William G. (1955). ''Select Documents on Japanese Foreign Policy, 1853–186 ...

'' of Edo,

Ōoka Tadasuke was a Japanese samurai in the service of the Tokugawa shogunate. During the reign of Tokugawa Yoshimune, as a magistrate (''machi-bugyō'') of Edo, his roles included chief of police, judge and jury, and Yamada Magistrate ( Yamada bugyō) prio ...

was ordered to create the

Koishikawa Yojosho The Koishikawa Yojosho was a Japanese hospital located in Koishikawa, Edo, in what is now the Bunkyō municipality of the Tokyo Metropolis of modern Japan. The hospital was established in 1722 by the shōgun Tokugawa Yoshimune in the herb gardens ...

clinic. In 1877, after the

Meiji Restoration The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored practical imperial rule to Japan in 1868 under Emperor Meiji. Although there were ...

, the gardens became a part of

Tokyo Imperial University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

and was the birthplace of Japanese botanical research. Today research activities are focused on the

evolution Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes, which are passed on from parent to offspring during reproduction. Variation ...

phylogenetic systematics Cladistics (; ) is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is typically shared derived chara ...

, and

physiology Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a sub-discipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out the chemical ...

of higher plants. The garden's collections contain some 4,000 plant

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

, including 1,400 hardy woody species, 1,500 hardy herbaceous species, and 1,100 tropical and subtropical species. Notable outdoor collections include

camellia ''Camellia'' (pronounced or ) is a genus of flowering plants in the family Theaceae. They are found in eastern and southern Asia, from the Himalayas east to Japan and Indonesia. There are more than 220 described species, with some controversy ...

cherries A cherry is the fruit of many plants of the genus ''Prunus'', and is a fleshy drupe (stone fruit). Commercial cherries are obtained from cultivars of several species, such as the sweet ''Prunus avium'' and the sour ''Prunus cerasus''. The nam ...

maple ''Acer'' () is a genus of trees and shrubs commonly known as maples. The genus is placed in the family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated since http ...

s, Japanese primroses,

bonsai Bonsai ( ja, 盆栽, , tray planting, ) is the Japanese art of growing and training miniature trees in pots, developed from the traditional Chinese art form of ''penjing''. Unlike ''penjing'', which utilizes traditional techniques to produce ...

trees, and

alpine plant Alpine plants are plants that grow in an alpine climate, which occurs at high elevation and above the tree line. There are many different plant species and taxa that grow as a plant community in these alpine tundra. These include perennial grasses, ...

s. A particular strength are the wild-collected species from

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

, and

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. The garden also contains a

herbarium A herbarium (plural: herbaria) is a collection of preserved plant specimens and associated data used for scientific study. The specimens may be whole plants or plant parts; these will usually be in dried form mounted on a sheet of paper (called ...

with 1.4 million specimens, and a library of 20,000 books and journals. In 2012, it was designated by the national government as a National Place of Scenic Beauty and also a National Historic Site under the terms of the Cultural Assets Preservation Law.

References

External links

Koishikawa Botanical Garden
{{Authority control Bunkyō Arboreta in Japan Botanical gardens in Japan Gardens in Tokyo University museums in Japan 1684 establishments in Japan Places of Scenic Beauty Historic Sites of Japan

History

See also

References

External links