Iwasaki Tsunemasa also Kan-en ( or , 1786–1842) was a Japanese

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

and

entomologist Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...

. He was also a

samurai The samurai () were members of the warrior class in Japan. They were originally provincial warriors who came from wealthy landowning families who could afford to train their men to be mounted archers. In the 8th century AD, the imperial court d ...

in the service of the

Tokugawa shogunate The Tokugawa shogunate, also known as the was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara, ending the civil wars ...

. He wrote: * ''Bukō-sanbutsu-shi'' a work on the natural history of the Edo district including botany zoology and entomology as lists. * ''Honzō Zufu'' (Iconographia Plantarum or Diagrams and Chronicles of Botany) a woodblock illustrated work (1828, 1884, 1920, 1921 in 93 volumes). Plants only. * ''Honzō Sen'yō'' (Essentials to the study of plants and animals). Unpublished. Two volumes includes insects and gives some

Dutch Dutch or Nederlands commonly refers to: * Something of, from, or related to the Netherlands ** Dutch people as an ethnic group () ** Dutch nationality law, history and regulations of Dutch citizenship () ** Dutch language () * In specific terms, i ...

names. Some editions include the

Binomial nomenclature In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...

introduced by

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

in 1758. * ''Sōmoku-sodategusa'' (Cultivation of Flowering Plants). Two volumes of woodcut illustrations (1818).Includes 13

Ukiyo-e is a genre of Japanese art that flourished from the 17th through 19th centuries. Its artists produced woodblock printing, woodblock prints and Nikuhitsu-ga, paintings of such subjects as female beauties; kabuki actors and sumo wrestlers; scenes ...

of insects which cause plant damage. One was ''

Papilio xuthus ''Papilio xuthus'', the Asian swallowtail, Chinese yellow swallowtail, Japanese Swallowtail, Korean Swallowtail or Xuthus swallowtail, is a yellow-colored, medium to large sized swallowtail butterfly found in northeast Asia, northern Myanmar, ...

'' which fed on fragrant

citrus ''Citrus'' is a genus of flowering trees and shrubs in the family Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, mandarins, lemons, grapefruits, pomelos, and limes. ''Citrus'' is nativ ...

. He described the larva with its

osmeterium The osmeterium is a defensive organ found in all papilionid larvae, in all stages. The organ is situated in the prothoracic segment and can be everted when the larva feels threatened. The everted organ resembles a fleshy forked tongue (not unlik ...

External links

Kew Gallery of Kan'en Iwasaki

''Honzō Zufu'' images (1830 and 1844 edition)
at

National Diet Library The is the national library of Japan and among the largest libraries in the world. It was established in 1948 for the purpose of assisting members of the in researching matters of public policy. The library is similar in purpose and scope to ...

''Honzō Zufu'' images
at

University of Tokyo The University of Tokyo (, abbreviated as in Japanese and UTokyo in English) is a public research university in Bunkyō, Tokyo, Japan. Founded in 1877 as the nation's first modern university by the merger of several pre-westernisation era ins ...

References

Ueno Masuzo (year?) Japanese entomology in the first half of the nineteenth century ''Japanese journal of entomology'' Vol.27, No.1(19590315) pp. 4–9 The Entomological Society of Japan Japanese entomologists 1786 births 1842 deaths Japanese zoologists Japanese botanical illustrators 19th-century Japanese illustrators {{Japan-scientist-stub