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Dracaena Kaweesakii
''Dracaena kaweesakii'' (Kaweesak's dragon tree; Thai: ''Chan nuu'' or ''Chan pha krai'') is a species of dragon tree. It can reach in both height and crown diameter. It is only found growing atop the limestone mountains in the Loei and the Lop Buri Provinces of Thailand. Description ''Dracaena kaweesakii'' is a species of dragon tree characterized by an extensive branching system; a fully grown specimen has several hundred branches. It has sword shaped leaves with white edges that grow in large clusters (20-50 leaves) and can be up to long. It has cream-colored flowers that have and slight green or yellow tint and bright orange filaments. ''D. kaweesakii'' produces brown fruit that turn orange when ripe. Seeds are in diameter. ''D. kaweesakii'' can grow to be tall with a crown diameter of . The tree's trunk can reach in diameter. ''Dracaena kaweesakii'' in known from northern, northeastern, and central Thailand. Oral reports suggest it is also found in neighboring Bur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dragon Tree
''Dracaena'' () is a genus of about 120 species of trees and succulent shrubs. The formerly accepted genera ''Pleomele'' and ''Sansevieria'' are now included in ''Dracaena''. In the APG IV classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). It has also formerly been separated (sometimes with ''Cordyline'') into the family Dracaenaceae or placed in the Agavaceae (now Agavoideae). The name ''dracaena'' is derived from the romanized form of the Ancient Greek – ''drakaina'', "female dragon". The majority of the species are native to Africa, southern Asia through to northern Australia, with two species in tropical Central America. Description Species of ''Dracaena'' have a secondary thickening meristem in their trunk, termed Dracaenoid thickening by some authors, which is quite different from the thickening meristem found in dicotyledonous plants. This characteristic is shared with members of the Agavoideae and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PhytoKeys
''PhytoKeys'' is a peer-reviewed, open-access online and print botanical journal. Its stated goal is "to support free exchange of ideas and information in systematic botany". Printed issues of the journal are available in the libraries of the United States (Smithsonian Institution, Missouri Botanical Garden), United Kingdom (Natural History Museum, London, Royal Botanic Gardens, Kew), Russia (Komarov Botanical Institute, St. Petersburg) and China (Kunming Institute of Botany, Kunming). Important Articles *Feb, 2015: The discovery of ''Thismia hongkongensis''. *Apr, 2022: The rediscovery of Gasteranthus extinctus ''Gasteranthus extinctus'' is a species of flowering plant in the family Gesneriaceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist montane forests. The species is a small herb that produces bright orange flower .... References External links All ''PhytoKeys'' issues Botany journals Open access journals Pensoft Publishers academic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Institute For Species Exploration
The International Institute for Species Exploration (IISE) is a research institute located in Syracuse, New York. Its mission is to improve taxonomical exploration and the cataloging of new species of flora and fauna. Since 2008, IISE has published a yearly "Top 10" of the most unusual or unique biota newly identified in the previous year, with the aim of drawing attention to the work done in taxonomy across the world over the previous year. In 2011, the institute contributed towards the estimate that Earth was home to approximately 8.7 million species. Overview The International Institute for Species Exploration (IISE) is a research facility dedicated to cataloging the Earth's species across all biological kingdoms. IISE cites three reasons why an improved taxonomic understanding of life is important: without knowing what exists today, humans will be unable to tell when species go extinct; the diversity of life driven by billions of years of natural selection means nature lik ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Horticulture
Horticulture is the branch of agriculture that deals with the art, science, technology, and business of plant cultivation. It includes the cultivation of fruits, vegetables, nuts, seeds, herbs, sprouts, mushrooms, algae, flowers, seaweeds and non-food crops such as grass and ornamental trees and plants. It also includes plant conservation, landscape restoration, landscape and garden design, construction, and maintenance, and arboriculture, ornamental trees and lawns. The study and practice of horticulture have been traced back thousands of years. Horticulture contributed to the transition from nomadic human communities to sedentary, or semi-sedentary, horticultural communities.von Hagen, V.W. (1957) The Ancient Sun Kingdoms Of The Americas. Ohio: The World Publishing Company Horticulture is divided into several categories which focus on the cultivation and processing of different types of plants and food items for specific purposes. In order to conserve the science of horticultur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buddhist
Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and gradually spread throughout much of Asia via the Silk Road. It is the world's fourth-largest religion, with over 520 million followers (Buddhists) who comprise seven percent of the global population. The Buddha taught the Middle Way, a path of spiritual development that avoids both extreme asceticism and hedonism. It aims at liberation from clinging and craving to things which are impermanent (), incapable of satisfying ('), and without a lasting essence (), ending the cycle of death and rebirth (). A summary of this path is expressed in the Noble Eightfold Path, a training of the mind with observance of Buddhist ethics and meditation. Other widely observed practices include: monasticism; " taking refuge" in the Buddha, the , and th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dracaena (plant)
''Dracaena'' () is a genus of about 120 species of trees and succulent plant, succulent shrubs. The formerly accepted genera ''Pleomele (genus), Pleomele'' and ''Sansevieria'' are now included in ''Dracaena''. In the APG IV system, APG IV classification system, it is placed in the family (biology), family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). It has also formerly been separated (sometimes with ''Cordyline'') into the family Dracaenaceae or placed in the Agavaceae (now Agavoideae). The name ''dracaena'' is derived from the romanized form of the Ancient Greek – ''drakaina'', "female dragon". The majority of the species are native plant, native to Africa, southern Asia through to northern Australia, with two species in tropical Central America. Description Species of ''Dracaena'' have a secondary thickening meristem in their trunk, termed Dracaenoid thickening by some authors, which is quite different from the thickening meristem found in dicoty ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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