Kadua Rapensis
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Kadua Rapensis
''Kadua'' is a genus of flowering plants in the family Rubiaceae. It comprises 29 species,''Kadua'' At: World Checklist of Rubiaceae At: Kew Gardens Website. (see ''External links'' below). all restricted to Polynesia. Twenty-two of these are endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably extinct. ''Kadua affinis'' is widely distributed in Hawaii and is polymorphic.David J. Mabberley. 2008''Mabberley's Plant-Book''third edition (2008). Cambridge University Press: UK. p. 448 The type species for the genus is ''Kadua acuminata''.''Kadua'' In: Index Nominum Genericorum. In: Regnum Vegetabile (see ''External links'' below). ''Kadua'' was formerly included in a broadly defined and polyphyletic ''Hedyotis'', which encompassed, in addition to ''Kadua'', species now placed in ''Oldenlandia'', ''Oldenlandiopsis'', '' Houstonia'', and other genera. ''Hedyotis'' is now circumscribed m ...
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Kadua Affinis
{{Speciesbox , image=Starr 051113-5222 Kadua affinis.jpg , image_caption=Fruit , image2=Kadua affinis (5187580363) (2).jpg , image2_caption=Flowers and leaves , genus=Kadua , species=affinis , authority=Cham. & Schltdl. , synonyms_ref= , synonyms={{Collapsible list, *''Gouldia affinis'' {{small, Wilbur *''Gouldia affinis'' var. ''gracilis'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia affinis'' var. ''robusta'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia angustifolia'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' {{small, (Fosberg) Skottsb. *''Gouldia antiqua'' var. ''acuta'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' var. ''hirtellifolia'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' var. ''kauensis'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' var. ''kehena'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia antiqua'' var. ''oblonga'' {{small, (Fosberg) O.Deg. & I.Deg. *''Gouldia ...
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Regnum Vegetabile
The International Association for Plant Taxonomy (IAPT) is an organization established to promote an understanding of plant biodiversity, facilitate international communication of research between botanists, and oversee matters of uniformity and stability in plant names. The IAPT was founded on July 18, 1950, at the Seventh International Botanical Congress in Stockholm, Sweden. The IAPT headquarters is located in Bratislava, Slovakia. Its president, since 2023, is Lúcia G. Lohmann of the Universidade de São Paulo; vice-president is Fabián Michelangeli of the New York Botanical Garden; and secretary-general is Mauricio Bonifacino of the Universidad de la República, Montevideo, Uruguay. Both the taxonomic journal ''Taxon'' and the series ''Regnum Vegetabile'' are published by the IAPT. The latter series includes the ''International Code of Nomenclature for algae, fungi, and plants'', '' Index Nominum Genericorum'', and ''Index Herbariorum''. Purpose The IAPT's primary pur ...
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George Arnott Walker-Arnott
George Arnott Walker Arnott of Arlary (6 February 1799 – 17 April 1868) was a Scottish botanist. He collaborated with botanists from around the world and served as a Regius Professor of Botany (Glasgow), regius professor of botany at the University of Glasgow. An orchid genus ''Arnottia'' was named in his honour in 1828. Early life George Arnott Walker Arnott was born in Edinburgh, on 6 February 1799, the son of David Walker Arnott of Arlary (near Kinross). He grew up in Edenshead and Arlary, and attended Milnathort Parish School then the High School of Edinburgh from 1807. He received an Master of Arts, AM degree in 1818. He took to mathematics and was recognized by John Leslie (physicist), Sir John Leslie and John Playfair. He wrote articles in Tilloch's Philosophical Magazine on ''Observations on the Solution of Exponential Equations'' (1817) and ''Comparison between the Chords of Arcs employed by Ptolemy and those now in use'' (1818). He then joined to study law in Edi ...
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William Jackson Hooker
Sir William Jackson Hooker (6 July 178512 August 1865) was an English botany, botanist and botanical illustrator, who became the first director of Kew Gardens, Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew he founded the Kew Herbarium, Herbarium and enlarged the gardens and arboretum. Hooker was born and educated in Norwich. An inheritance gave him the means to travel and to devote himself to the study of natural history, particularly botany. He published his account of an expedition to Iceland in 1809, even though his notes and specimens were destroyed during his voyage home. He married Maria, the eldest daughter of the Norfolk banker Dawson Turner, in 1815, afterwards living in Halesworth for 11 years, where he established a herbarium that became renowned by botanists at the time. He held the post of Regius Professor of Botany at Glasgow University, where he worked with the botanist and lithographer Thomas Hopkirk and e ...
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Kadua Centranthoides
''Kadua'' is a genus of flowering plants in the family Rubiaceae. It comprises 29 species,''Kadua'' At: World Checklist of Rubiaceae At: Kew Gardens Website. (see ''External links'' below). all restricted to Polynesia. Twenty-two of these are endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably extinct. ''Kadua affinis'' is widely distributed in Hawaii and is polymorphic.David J. Mabberley. 2008''Mabberley's Plant-Book''third edition (2008). Cambridge University Press: UK. p. 448 The type species for the genus is ''Kadua acuminata''.''Kadua'' In: Index Nominum Genericorum. In: Regnum Vegetabile (see ''External links'' below). ''Kadua'' was formerly included in a broadly defined and polyphyletic ''Hedyotis'', which encompassed, in addition to ''Kadua'', species now placed in ''Oldenlandia'', ''Oldenlandiopsis'', '' Houstonia'', and other genera. ''Hedyotis'' is now circumscribed m ...
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Heinrich Wawra Von Fernsee
Heinrich Wawra Ritter von Fernsee (born Jindřich Blažej Vávra; 2 February 1831 – 24 May 1887) was a Czechs, Czech-Austrians, Austrian ship surgeon, botanist and explorer. Biography Heinrich Wawra von Fernsee was born on 2 February 1831 in Brno, Moravia. The youngest of five sons of a miller, he studied medicine and botany at the University of Vienna from 1849 to 1855. Upon graduating he joined the Austro-Hungarian Navy, Austro-Hungarian Imperial Navy on 6 December 1855. The commander of the fleet at this time was the Archduke Ferdinand Maximilian. Wawra von Fernsee retired from the navy in 1878 to work on his extensive collections. He died on 24 May 1887 in Baden bei Wien, Baden, at the age of 56. The plant genus ''Fernseea'' was named after him.Genaust, Helmut (1976). ''Etymologisches Wörterbuch der botanischen Pflanzennamen'' Expeditions *1856: Ship surgeon on the schooner ''Saida'' to the Mediterranean Sea, Western Mediterranean. *1857–1858: Ship surgeon on the co ...
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Kadua Axillaris
''Kadua'' is a genus of flowering plants in the family Rubiaceae. It comprises 29 species,''Kadua'' At: World Checklist of Rubiaceae At: Kew Gardens Website. (see ''External links'' below). all restricted to Polynesia. Twenty-two of these are Endemism, endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably Extinction, extinct. ''Kadua affinis'' is widely Range (biology), distributed in Hawaii and is Polymorphism (biology), polymorphic.David J. Mabberley. 2008''Mabberley's Plant-Book''third edition (2008). Cambridge University Press: UK. p. 448 The type species for the genus is ''Kadua acuminata''.''Kadua'' In: Index Nominum Genericorum. In: Regnum Vegetabile (see ''External links'' below). ''Kadua'' was formerly included in a broadly defined and polyphyletic ''Hedyotis'', which encompassed, in addition to ''Kadua'', species now placed in ''Oldenlandia'', ''Oldenlandiopsis'', ''Houst ...
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Asa Gray
Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botany, botanist of the 19th century. His ''Darwiniana'' (1876) was considered an important explanation of how religion and science were not necessarily mutually exclusive. Gray was adamant that a genetic connection must exist between all members of a species. He was also strongly opposed to the ideas of hybridization within one generation and special creation in the sense of its not allowing for evolution. He was a strong supporter of Darwin, although Gray's theistic evolution was guided by a Creator. As a professor of botany at Harvard University for several decades, Gray regularly visited, and corresponded with, many of the leading natural scientists of the era, including Charles Darwin, who held great regard for him. Gray made several trips to Europe to collaborate with leading European scientists of the era, as well as trips to the southern and western United States. He also built a ...
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Circumscription (taxonomy)
In biological taxonomy, circumscription is the content of a taxon, that is, the delimitation of which subordinate taxa are parts of that taxon. For example, if we determine that species X, Y, and Z belong in genus A, and species T, U, V, and W belong in genus B, those are our circumscriptions of those two genera. Another systematist might determine that T, U, V, W, X, Y, and Z all belong in genus A. Agreement on circumscriptions is not governed by the Codes of Zoological or Botanical Nomenclature, and must be reached by scientific consensus. A goal of biological taxonomy is to achieve a stable circumscription for every taxon. This goal conflicts, at times, with the goal of achieving a natural classification that reflects the evolutionary history of divergence of groups of organisms. Balancing these two goals is a work in progress, and the circumscriptions of many taxa that had been regarded as stable for decades are in upheaval in the light of rapid developments in molecu ...
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Houstonia (plant)
''Houstonia'' (bluet) is a genus of plants in the family Rubiaceae. Many species were formerly classified, along with other genera since segregated elsewhere, in a more inclusive genus ''Hedyotis''. Bluets are often small and delicate. For example, ''H. rosea'' may grow only one inch tall. Some species are single stemmed and others have multiple stems in bunches. Flowers are blue, purple, lavender, white, or rose, often with shades of one color present in an individual population. Flowers have 4 sepals, colloquially denominated "petals", a salverform corolla with 4 lobes, and an inferior ovary. Some species exhibit heterostyly. The fruit is an often roughly cordate capsule enclosing many seeds and which usually dehisces via a suture across its apex. ''Houstonia'' consists of 20 species native to North America. Another 5 species are classified in the genus '' Stenaria''; ''Houstonia'' without ''Stenaria'' is paraphyletic. Close relatives of the genus are ''Oldenlandia microtheca' ...
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Oldenlandiopsis
''Oldenlandiopsis'' (creeping-bluet) is a genus of flowering plants in the family ''Rubiaceae''. It is monospecific, comprising only one species, ''Oldenlandiopsis callitrichoides''. This species had previously been placed in ''Hedyotis'' or in ''Oldenlandia''. It is native to the West Indies, southern Mexico, and Central America. It is naturalized elsewhere, including Florida, Hawaii, South America, and tropical Africa. ''Oldenlandiopsis'' was established in 1990 by Edward E. Terrell and Walter H. Lewis. The generic name indicates a likeness to ''Oldenlandia''. The specific epithet refers to a superficial resemblance to Callitriche, a genus in Plantaginaceae. ''Oldenlandiopsis callitrichoides'' was first described in 1862 by August Grisebach as ''Oldenlandia callitrichoides'' in a pre-print of a paper that was published the following year in ''Memoirs of the American Academy of Arts and Sciences''. ''Oldenlandiopsis'' is a member of the tribe Spermacoceae. Within the tribe, it ...
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