Juglans Sigillata
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Juglans Sigillata
''Juglans sigillata'' (), also called iron walnut, is the second most cultivated species of walnut tree after the Persian walnut ''Juglans regia''. Commonly distributed in the eastern Himalayas and western China. The tree has been cultivated for its edible nuts, and there are at least 80 authorised or approved cultivars produced after successful implementation of grafting technology. This plant was first detected by the Chinese botanist Kuang Keren (K.Z. Kuang) and Lu Anmin (A.M.Lu) in 1979, named after a French botanist Louis-Albert Dode. The nuts are oval-shaped with bumps and seal-like depressions (sigillatae) in the shell, and with its thick shell the species has been termed the "iron walnut". The tree is also used for its wood. It is commonly found in Yunnan, China's top walnut producing region in terms of acreage and yield, but are also found in Guizhou, Sichuan and Xizang in China. It is sometimes grown in gardens and parks as an ornamental plant. A 536.50-Mb genome ...
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Frontiers In Plant Science
''Frontiers in Plant Science'' is a peer-reviewed scientific journal covering all aspects of botany. It was established in 2010 and is published by Frontiers Media. The editor-in-chief is Yunde Zhao (University of California, San Diego). Abstracting and indexing Since 2019, the journal has a score of 2 in the Norwegian Scientific Index, which "covers the most prestigious and rigorous channels, which publish 20 percent of the publications". According to the Frontiers, the journal Frontiers in Plant Science 2021 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as ... is 6.627. References External links * {{Official website, https://www.frontiersin.org/journals/plant-science Publications established in 2010 English-language journals Botany journals Frontiers Med ...
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Walnut
A walnut is the edible seed of a drupe of any tree of the genus ''Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. Although culinarily considered a "nut" and used as such, it is not a true botanical nut. After full ripening, the shell is discarded and the kernel is eaten. Nuts of the eastern black walnut (''Juglans nigra'') and butternuts ('' Juglans cinerea'') are less commonly consumed. Characteristics Walnuts are rounded, single-seeded stone fruits of the walnut tree commonly used for food after fully ripening between September and November, in which the removal of the husk at this stage reveals a browning wrinkly walnut shell, which is usually commercially found in two segments (three or four-segment shells can also form). During the ripening process, the husk will become brittle and the shell hard. The shell encloses the kernel or meat, which is usually made up of two halves separated by a membranous partition. The ...
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Juglans Regia
''Juglans regia'', the Persian walnut, English walnut, Carpathian walnut, Madeira walnut, or especially in Great Britain, common walnut, is an Old World walnut tree species native to the region stretching from the Balkans eastward to the Himalayas and southwest China. It is widely cultivated across Europe. It is the origin of cultivated varieties which produce the edible walnut, consumed around the world. China is the major commercial producer of walnuts. Description ''Juglans regia'' is a large deciduous tree, attaining heights of , and a trunk up to 2 m (6 ft) in diameter, commonly with a short trunk and broad crown. The bark is smooth, olive-brown when young and silvery-grey on older branches, and features scattered broad fissures with a rougher texture. Like all walnuts, the pith of the twigs contains air spaces; this chambered pith is brownish in color. The leaves are alternately arranged, 25–40 cm (10 to 16 in) long, odd-pinnate with 5–9 leaflets, pair ...
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Himalayas
The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 peaks exceeding in elevation lie in the Himalayas. By contrast, the highest peak outside Asia (Aconcagua, in the Andes) is tall. The Himalayas abut or cross five countries: Bhutan, India, Nepal, China, and Pakistan. The sovereignty of the range in the Kashmir region is disputed among India, Pakistan, and China. The Himalayan range is bordered on the northwest by the Karakoram and Hindu Kush ranges, on the north by the Tibetan Plateau, and on the south by the Indo-Gangetic Plain. Some of the world's major rivers, the Indus, the Ganges, and the Tsangpo– Brahmaputra, rise in the vicinity of the Himalayas, and their combined drainage basin is home to some 600 million people; 53 million people live in the Himalayas. The Himalayas ...
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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 borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or ...
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Cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production. Most cultivars arise from purposeful human manipulation, but some originate from wild plants that have distinctive characteristics. Cultivar names are chosen according to rules of the International Code of Nomenclature for Cultivated Plants (ICNCP), and not all cultivated plants qualify as cultivars. Horticulturists generally believe the word ''cultivar''''Cultivar'' () has two meanings, as explained in '' Formal definition'': it is a classification category and a taxonomic unit within the category. When referring to a taxon, the word does not apply to an individual plant but to all plants that share the unique characteristics that define the cultivar. was coined as a term meaning "cultivated var ...
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Botanist
Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek word (''botanē'') meaning "pasture", "herbs" "grass", or " fodder"; is in turn derived from (), "to feed" or "to graze". Traditionally, botany has also included the study of fungi and algae by mycologists and phycologists respectively, with the study of these three groups of organisms remaining within the sphere of interest of the International Botanical Congress. Nowadays, botanists (in the strict sense) study approximately 410,000 species of land plants of which some 391,000 species are vascular plants (including approximately 369,000 species of flowering plants), and approximately 20,000 are bryophytes. Botany originated in prehistory as herbalism with the efforts of early humans to identify – and later cultivate – edible, med ...
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Kuang Keren
Kuang may refer to: *Kuang (surname) (邝/鄺), a Chinese surname *Kuang (town), a town in Selangor, Malaysia * Kuang (state constituency), a constituency of the Selangor State Legislative Assembly See also * Guang (other) *Kwang Kwang, also spelled Gwang, is a Korean given name and name element. The meaning differs based on the hanja used. Hanja and meaning There are 13 hanja with this reading, and three variant forms, on the South Korean government's official list of ...
, a Korean given name and name element {{disambig ...
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Lu Anmin
Lu, Lü, or LU may refer to: Arts and entertainment * Lu (music), Tibetan folk music * Lu (duo), a Mexican band ** ''Lu'' (album) * Character from Mike, Lu & Og * Lupe Fiasco or Lu (born 1982), American musician * Lebor na hUidre, a manuscript containing many Irish fictional stories commonly abbreviated LU * Lu (novel), 2018 novel by Jason Reynolds Chinese surnames *Lu (surname), including: **Lu (surname 卢), the 52nd commonest **Lu (surname 陆), the 61st commonest ** Lu (surname 鲁), the 115th commonest **Lu (surname 路), the 116th commonest **Lu (surname 芦), the 140th commonest ** Lu (surname 禄) **Lu (surname 逯) **Lu (surname 鹿) *Lü (surname), 吕, the 47th commonest Places Asia *Lu (state) of ancient China, in today's Shandong Province *Lü (state), an ancient Chinese state * Lu Commandery, of ancient China *Lù, a circuit (administrative division) in China * Lu, Iran, Isfahan Province * Lu County, Sichuan, China *La Union, Philippines, from its initials Eu ...
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Yunnan
Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the Chinese provinces of Guizhou, Sichuan, autonomous regions of Guangxi, and Tibet as well as Southeast Asian countries: Vietnam, Laos, and Myanmar. Yunnan is China's fourth least developed province based on disposable income per capita in 2014. Yunnan is situated in a mountainous area, with high elevations in the northwest and low elevations in the southeast. Most of the population lives in the eastern part of the province. In the west, the altitude can vary from the mountain peaks to river valleys by as much as . Yunnan is rich in natural resources and has the largest diversity of plant life in China. Of the approximately 30,000 species of higher plants in China, Yunnan has perhaps 17,000 or more. Yunnan's reserves of aluminium, lead, zinc a ...
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Guizhou
Guizhou (; formerly Kweichow) is a landlocked province in the southwest region of the People's Republic of China. Its capital and largest city is Guiyang, in the center of the province. Guizhou borders the autonomous region of Guangxi to the south, Yunnan to the west, Sichuan to the northwest, the municipality of Chongqing to the north, and Hunan to the east. The population of Guizhou stands at 38.5 million, ranking 18th among the provinces in China. The Dian Kingdom, which inhabited the present-day area of Guizhou, was annexed by the Han dynasty in 106 BC. Guizhou was formally made a province in 1413 during the Ming dynasty. After the overthrow of the Qing in 1911 and following the Chinese Civil War, the Chinese Communist Party took refuge in Guizhou during the Long March between 1934 and 1935. After the establishment of the People's Republic of China, Mao Zedong promoted the relocation of heavy industry into inland provinces such as Guizhou, to better protect them from ...
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