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Pieter Willem Korthals
Pieter Willem Korthals (September 1, 1807, Amsterdam – March 1892, Haarlem) was a Dutch botanist. Korthals was the official botanist with the Dutch East Indies#Government, Dutch East India Service from 1831 to 1836. Among his many discoveries was the medicinal plant Kratom, Kratom (''Mitragyna speciosa''). Korthals wrote the first monograph on the Nepenthes, tropical pitcher plants, "Over het geslacht Nepenthes, Over het geslacht ''Nepenthes''", published in 1839. Carl Ludwig Blume named the botanical genus ''Korthalsia'' (family Arecaceae) after Korthals, and Philippe Édouard Léon Van Tieghem introduced the genus name ''Korthalsella'' (family Santalaceae) in his honor.Plant Disease Jan. 2009 PD-62
Hawaiian Mistletoes (Korthalsella Species) Bulbophyllum korthalsii was named after him.


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Arecaceae
The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly known as palms. Those having a tree-like form are colloquially called palm trees. Currently, 181 Genus, genera with around 2,600 species are known, most of which are restricted to tropics, tropical and subtropics, subtropical climates. Most palms are distinguished by their large, compound, evergreen leaves, known as fronds, arranged at the top of an unbranched stem, except for the Hyphaene genus, who has branched palms. However, palms exhibit an enormous diversity in physical characteristics and inhabit nearly every type of Habitat (ecology), habitat within their range, from rainforests to deserts. Palms are among the best known and most extensively Horticulture, cultivated plant families. They have been important to humans throughout much ...
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1892 Deaths
In Samoa, this was the only leap year spanned to 367 days as July 4 repeated. This means that the International Date Line was drawn from the east of the country to go west. Events January * January 1 – Ellis Island begins processing Immigration to the United States, immigrants to the United States. February * February 27 – Rudolf Diesel applies for a patent, on his compression ignition engine (the Diesel engine). * February 29 – St. Petersburg, Florida is incorporated as a town. March * March 1 – Theodoros Deligiannis ends his term as Prime Minister of Greece and Konstantinos Konstantopoulos takes office. * March 6–March 8, 8 – "Exclusive Agreement": Rulers of the Trucial States (Abu Dhabi, Dubai, Sharjah, Ajman, Ras al-Khaimah and Umm al-Quwain) sign an agreement, by which they become ''de facto'' British protectorates. * March 11 – The first basketball game is played in public, between students and faculty at the Springfield YMCA before 200 spectators. The ...
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1807 Births
Events January–March *January 7 – The United Kingdom of Great Britain and Ireland issues an Order in Council prohibiting British ships from trading with France or its allies. *January 20 – The Sierra Leone Company, faced with bankruptcy because of the imminent abolition of the slave trade in British colonies, petitions the British government for purchase and transfer of its property to the Crown; Parliament approves the transfer on July 29, and it takes effect on January 1, 1808. *February 3 – Napoleonic Wars and Anglo-Spanish War: Battle of Montevideo – The British Army captures Montevideo from the Spanish Empire, as part of the British invasions of the Río de la Plata. *February 7 – Napoleon leads the forces of the French Empire in an invasion of the Russian Empire, and begins fighting at the Battle of Eylau against Russian and Prussian forces. *February 8 – Battle of Eylau: Napoleon fights a hard but inconclusive battle against the Russians un ...
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Bulbophyllum Korthalsii
''Bulbophyllum korthalsii'' is a species of orchid in the genus ''Bulbophyllum ''Bulbophyllum'' is a genus of mostly Epiphyte, epiphytic and Lithophyte, lithophytic orchids in the Family (biology), family Orchidaceae. It is the largest genus in the orchid family and one of the List of the largest genera of flowering plants, ...''. ReferencesThe Bulbophyllum-Checklist
korthalsii {{BulbophyllumStachysanthes-stub ...
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Santalaceae
The Santalaceae, sandalwoods, are a widely distributed family of flowering plants (including small trees, shrubs, perennial plants, perennial herbs, and epiphyte, epiphytic climbersHewson & George [et al.]''Santalaceae'' taxonomy, 1984, pp. 191-194.) which, like other members of Santalales, are partially parasitic on other plants. Its flowers are bisexual or, by abortion ("flower drop"), unisexual.Pilger, R''Santalaceae''(with 17 figures). R. Br. Prodr. Fl. Nov. Holl. (1810) 350, pp. 1-45. Modern treatments of the Santalaceae include the family Viscaceae (mistletoes), previously considered distinct. The APG II system of 2003 recognises the family and assigns it to the order Santalales in the clade core eudicots. However, the circumscription by APG is much wider than accepted by previous classifications, including the plants earlier treated in families Eremolepidaceae and Viscaceae. It includes about 1,000 species in 43 genera. Many have reported traditional and cultural uses, inc ...
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Korthalsella
''Korthalsella'' (korthal mistletoe) is a genus of flowering plants in the sandalwood family, Santalaceae (sometimes/formerly considered to be in Viscaceae). It contains about 25 species distributed in Asia, Africa, Australia, New Zealand, and some Pacific Islands. Selected species *'' Korthalsella arthroclada'' Cranfield (Australia) *'' Korthalsella breviarticulata'' (Tiegh.) Danser (Australia) *'' Korthalsella complanata'' (v. Tiegh.) Engl. - ''Kaumahana'' (Hawaii) *'' Korthalsella cylindrica'' (v. Tiegh.) Engl. - Hawaii korthal mistletoe (Hawaii) *'' Korthalsella degeneri'' Danser - Degener's korthal mistletoe (Island of Oahu in Hawaii) *'' Korthalsella disticha'' (Endl.) Engl. (Australia) *'' Korthalsella emersa'' Barlow (Australia) *'' Korthalsella grayi'' Barlow (Australia) *'' Korthalsella japonica'' (Thunb.) Engl. (Asia) *'' Korthalsella latissima'' (v. Tiegh.) Danser - Kauai korthal mistletoe (Hawaii) *'' Korthalsella leucothrix'' Barlow (Australia) *'' Korthalsella p ...
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Philippe Édouard Léon Van Tieghem
Philippe Édouard Léon Van Tieghem (; 19 April 1839 – 28 April 1914) was a French botanist born in Baillleul in the département of Nord. He was one of the best known French botanists of the latter nineteenth century. Life Van Tieghem's father was a textile merchant who died of yellow fever in Martinique before he was born, and his mother shortly thereafter. One of five children, he obtained his ''baccalauréat'' in 1856, and continued his studies at the École Normale Supérieure, where after receiving agrégation, he worked in the laboratory of Louis Pasteur (1822–1895). Here he performed research involving the cultivation of mushrooms. He is credited with creation of the eponymous "Van Tieghem cell", a device mounted on a microscope slide that allows for observing the development of a fungus' mycelium. In 1864 he earned his doctorate in physical sciences with a thesis titled ''Recherches sur la fermentation de l'urée et de l'acide hippurique'', and two years later ...
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Korthalsia
''Korthalsia'' is a clustering genus of flowering plant in the palm family spread throughout Southeast Asia. It is a highly specialized rattan with some species known to have an intimate relationship with ants, hence the common name ant rattan.Uhl, Natalie W. and Dransfield, John (1987) ''Genera Palmarum - A classification of palms based on the work of Harold E. Moore''. Lawrence, Kansas: Allen Press. / High-climbing and armed with spines, the genus is named for the Dutch botanist P. W. Korthals who first collected them from Indonesia. Description In young plants the trunks, petioles and rachises are covered in spines. Mature plants typically lose rachis and petiole spines but will retain trunks spines in its new growth. The suckering stems are small to mostly moderate and are among the few in the palm family that branch; among rattans it is the only one with splitting stems. These splits are axil branching, and produce "vast aerial entanglements" The trunks are bare at the ...
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Amsterdam
Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Region of Amsterdam, urban area and 2,480,394 in the Amsterdam metropolitan area, metropolitan area. Located in the Provinces of the Netherlands, Dutch province of North Holland, Amsterdam is colloquially referred to as the "Venice of the North", for its canals of Amsterdam, large number of canals, now a World Heritage Site, UNESCO World Heritage Site. Amsterdam was founded at the mouth of the Amstel River, which was dammed to control flooding. Originally a small fishing village in the 12th century, Amsterdam became a major world port during the Dutch Golden Age of the 17th century, when the Netherlands was an economic powerhouse. Amsterdam was the leading centre for finance and trade, as well as a hub of secular art production. In the 19th ...
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Carl Ludwig Blume
Charles Ludwig de Blume or Karl Ludwig von Blume (9 June 1796 – 3 February 1862) was a German-Dutch botanist and entomologist who spent most of his professional life in the Netherlands and the Dutch East Indies. As deputy director of agriculture at the Bogor Botanical Gardens in Java (1823–1826) and later director of the Rijksherbarium in Leiden, he conducted extensive studies of Southeast Asian flora, publishing numerous influential works including ''Bijdragen tot de flora van Nederlandsch Indië'' (1825–1827) and ''Rumphia'' (1835–1849). Together with Philipp Franz von Siebold, Blume co-founded the Royal Society for the Encouragement of Horticulture in the Netherlands in 1842, helping to revitalise the country's reputation as a centre for botanical study and exotic plant cultivation. His scientific contributions were recognised with his election as a foreign member of the Royal Swedish Academy of Sciences in 1855, and his legacy is commemorated in the botanical jou ...
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Over Het Geslacht Nepenthes
"Over het geslacht ''Nepenthes''" (lit. "Concerning the genus ''Nepenthes''") is a Dutch-language monograph by Pieter Willem Korthals on the tropical pitcher plants of the genus ''Nepenthes''. Korthals, P.W. 1839. Over het geslacht ''Nepenthes''. In: C.J. Temminck 1839–1842. ''Verhandelingen over de Natuurlijke Geschiedenis der Nederlandsche overzeesche bezittingen; Kruidkunde''. Leiden. pp. 1–44, t. 1–4, 13–15, 20–22. It was published in 1839 in Coenraad Jacob Temminck's ''Verhandelingen over de Natuurlijke Geschiedenis der Nederlandsche overzeesche bezittingen''. It is generally regarded as the first monograph on ''Nepenthes''.Clarke, C.M. 1997. ''Nepenthes of Borneo''. Natural History Publications (Borneo), Kota Kinabalu.Phillipps, A., A. Lamb & C.C. Lee 2008. ''Pitcher Plants of Borneo''. Second Edition. Natural History Publications (Borneo), Kota Kinabalu. Korthals recognised 9 species: '' N. ampullaria'', '' N. bongso'', '' N. boschiana'', '' N.  ...
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