João De Loureiro
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João de Loureiro (1717,
Lisbon Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
– 18 October 1791) was a Portuguese
Jesuit The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order (Catholic), religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rom ...
missionary A missionary is a member of a Religious denomination, religious group who is sent into an area in order to promote its faith or provide services to people, such as education, literacy, social justice, health care, and economic development.Thoma ...
and
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 ...
.


Biography

After receiving admission to the
Jesuit Order The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rome. It was founded in 1540 by ...
, João de Loureiro served as a missionary in
Goa Goa (; ; ) is a state on the southwestern coast of India within the Konkan region, geographically separated from the Deccan highlands by the Western Ghats. It is bound by the Indian states of Maharashtra to the north, and Karnataka to the ...
, capital of
Portuguese India The State of India, also known as the Portuguese State of India or Portuguese India, was a state of the Portuguese Empire founded seven years after the discovery of the sea route to the Indian subcontinent by Vasco da Gama, a subject of the ...
(3 years) and
Macau Macau or Macao is a special administrative regions of China, special administrative region of the People's Republic of China (PRC). With a population of about people and a land area of , it is the most List of countries and dependencies by p ...
(4 years). In 1742 he traveled to Đàng Trong (known to the Europeans as
Cochinchina Cochinchina or Cochin-China (, ; ; ; ; ) is a historical exonym and endonym, exonym for part of Vietnam, depending on the contexts, usually for Southern Vietnam. Sometimes it referred to the whole of Vietnam, but it was commonly used to refer t ...
), remaining there for 35 years. Here he worked as a
mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...
and
naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...
for the king of Đàng Trong, acquiring knowledge on the properties and uses of native
medicinal plant Medicinal plants, also called medicinal herbs, have been discovered and used in traditional medicine practices since prehistoric times. Plants synthesize hundreds of chemical compounds for various functions, including Plant defense against h ...
s. In 1777, he journeyed to Canton, in
Bengal Bengal ( ) is a Historical geography, historical geographical, ethnolinguistic and cultural term referring to a region in the Eastern South Asia, eastern part of the Indian subcontinent at the apex of the Bay of Bengal. The region of Benga ...
, returning to Lisbon four years later. During this period, Captain Thomas Riddel gave Loureiro the books ''
Systema Naturae ' (originally in Latin written ' with the Orthographic ligature, ligature æ) is one of the major works of the Sweden, Swedish botanist, zoologist and physician Carl Linnaeus (1707–1778) and introduced the Linnaean taxonomy. Although the syste ...
'', ''
Genera Plantarum ''Genera Plantarum'' is a publication of Swedish naturalist Carl Linnaeus (1707–1778). The first edition was issued in Leiden, 1737. The fifth edition served as a complementary volume to ''Species Plantarum'' (1753). Article 13 of the Internat ...
'' and ''
Philosophia Botanica ''Philosophia Botanica'' ("Botanical Philosophy", ed. 1, Stockholm & Amsterdam, 1751.) was published by the Swedish naturalist and physician Carl Linnaeus (1707–1778) who greatly influenced the development of botanical Taxonomy (biology), taxono ...
'' 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 ...
, which greatly influenced the Portuguese botanist. João de Loureiro stayed in Vietnam forty years inventorying indigenous herbal remedies. His local garden contained 1,000 unique herbal species, making it one of the greatest botanist collectors of the 18th century. João de Loureiro published the book ''Flora Cochinchinensis'' 1790, sponsored by the Royal Portuguese Academy of Sciences. João de Loureiro has numerous species dedicated to him by the epitheton "''loureiroi''" , mostly plants but also a dinosaur '' Draconyx loureiroi'' in honour of his being the first Portuguese palaeontologist. The taxonomist
Elmer Drew Merrill Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
later argued that Loureiro's work contained various mistakes caused by a misunderstanding of the Linnaean system.


Standard author abbreviation


Works

*''Flora Cochinchinensis: sistens plantas in regno Cochinchina nascentes: quibus accedunt aliae observatae in Sinensi imperio, Africa orientali, Indiaeque locis variis: omnes dispositae secundum systema sexuale Linnaeanum'' * ''Flora Cochinchinensis denuo in Germania edita'', notes by
Carl Ludwig Willdenow Carl Ludwig Willdenow (22 August 1765 – 10 July 1812) was a German botanist, pharmacist, and plant Taxonomy (biology), taxonomist. He is considered one of the founders of phytogeography, the study of the geographic distribution of plants. ...
, 1793 * « On the nature and mode of production of Agallochum or aloes-wood », translated from Portuguese into English, in ''Tracts relative to botany, tr. from different languages'',
London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
, Phillips and Fardon 1805


Bibliography

* ''Pe. João de Loureiro : missionário e botânico'' by José Maria Braga, 1938.WorldCat Titles
Pe. João de Loureiro, etc.


References

18th-century Portuguese botanists Catholic clergy scientists 1717 births 1791 deaths Botanists active in Asia Botanists active in China Botanists active in India Jesuit scientists Portuguese Roman Catholic missionaries Scientists from Lisbon Jesuit missionaries in China Portuguese missionaries in China Jesuit missionaries in India Jesuit missionaries in Vietnam Portuguese expatriates in Vietnam 18th-century Portuguese Jesuits 18th-century Portuguese physicians Missionary botanists {{Portugal-botanist-stub