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Hordeum Depressum
''Hordeum depressum'' is a species of barley known by the common names low barley and dwarf barley. It is native to the western United States from Idaho to California, where it can be found in moist habitats such as vernal pools. This is a small annual grass forming petite patches of thin, hairy leaves and erect stems to half a meter in maximum height. The green or reddish green inflorescence is 2 to 6 centimeters long and about half a centimeter wide. Like other barleys the spikelets come in triplets. There is a large fertile central spikelet about a centimeter long and two smaller, often sterile spikelets on pedicels In botany, a pedicel is a stem that attaches a single flower to the inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branch ..., each 3 to 5 millimeters long. External linksJepson Manual Treatment
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Frank Lamson-Scribner
Frank Lamson-Scribner (April 19, 1851 – February 22, 1938) was an American botanist and pioneering plant pathologist. In 1885, he became the first scientist to study the diseases of economic plants for the United States Department of Agriculture (USDA). He became the first head of the USDA's Division of Agrostology in 1894, remaining in that position until 1901. Early life Franklin Pierce Lamson was born April 19, 1851, in Cambridgeport, Massachusetts. His parents Joseph Sanborn and Eunice Ellen (Winslow) Lamson died when he was 3 years old and he was adopted by the Virgil Scribner family near Manchester, Maine. He received preparatory education at Hebron Academy, Kents Hill School, and Coburn Classical Institute and graduated from Maine State College of Agriculture and Mechanic Arts in 1873. Career Lamson-Scribner taught botany in Maine high schools, before becoming an officer with Girard College in 1877. He was the botanist for the Northern Transcontinental Survey and co ...
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Jared Gage Smith
Jared is a given name of Biblical derivation. Origin In the Book of Genesis, the biblical patriarch Jared () was the sixth in the ten pre-flood generations between Adam and Noah; he was the son of Mahalaleel and the father of Enoch, and lived 962 years (Genesis 5:18). The biblical text in the Book of Jubilees implicitly etymologizes the name as derived from the root YRD "descend" because in his days, "the angels of the Lord ''descended'' to earth". Alternative suggestions for the name's etymology include words for "rose", "servant" and "one who rules".Hess, Richard S., ''Studies in the Personal Names of Genesis 1–11'' (1993), p. 69. Yared (505–571), a namesake, was an Ethiopian monk who introduced the concept of sacred music to Ethiopian Orthodox services. He is regarded as a saint of the Ethiopian Orthodox Church, with a feast day of 11 Genbot (May 19). In some English-speaking countries, Jared is a common Jewish and Christian first name. People Arts, entertainment, an ...
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Per Axel Rydberg
Per Axel Rydberg (July 6, 1860 – July 25, 1931) was a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium. Biography Per Axel Rydberg was born in Odh, Västergötland, Sweden and emigrated to the United States in 1882. From 1884 to 1890, he taught mathematics at Luther Academy in Wahoo, Nebraska, while he studied at the University of Nebraska. He graduated from the University of Nebraska–Lincoln (B.S. in 1891) and (M.A. in 1895). He earned his graduate degree from Columbia University (Ph.D. in 1898). After he graduated, Rydberg received a commission from the United States Department of Agriculture to undertake a botanical exploration of western Nebraska. He received another one in 1892 to explore the Black Hills of South Dakota, and in 1893 he was in the Sand Hills, again in western Nebraska. During this time he continued to teach at the Luther Academy. In 1900 Rydberg conducted field work in southeast Colorado. In 190 ...
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Hordeum
''Hordeum'' is a genus of annual and perennial plants in the grass family. The species are native throughout the temperate regions of Africa, Eurasia, and the Americas. Taxonomy Species Species include: * '' Hordeum aegiceras'' – Mongolia, China including Tibet * '' Hordeum arizonicum'' US (CA AZ NV NM), Mexico (Baja California, Sonora, Durango) * '' Hordeum bogdanii'' – from Turkey and European Russia to Mongolia * '' Hordeum brachyantherum'' – Russia (Kuril, Kamchatka), Alaska, Canada including Yukon, US (mostly in the West but also scattered locales in the East), Baja California * '' Hordeum brachyatherum'' – Chile * '' Hordeum brevisubulatum'' – European Russia; temperate and subarctic Asia from Turkey and the Urals to China and Magadan * '' Hordeum bulbosum'' – Mediterranean, Central Asia * '' Hordeum californicum'' – US (CA; OR; NV) * '' Hordeum capense'' – South Africa, Lesotho * '' Hordeum chilense'' – Argentina, Chile (including Juan Fernández ...
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Idaho
Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), Washington and Oregon to the west; the state shares a small portion of the Canada–United States border to the north with the Canadian province of British Columbia. Idaho's State capital (United States), state capital and largest city is Boise, Idaho, Boise. With an area of , Idaho is the List of U.S. states and territories by area, 14th-largest state by land area. The state has a population of approximately two million people; it ranks as the List of U.S. states and territories by population, 13th-least populous and the List of U.S. states by population density, seventh-least densely populated of the List of US states, 50 U.S. states. For thousands of years, and prior to European colonization, Idaho had been inhabited by Native American ...
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California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an international border with the Mexico, Mexican state of Baja California to the south. With almost 40million residents across an area of , it is the List of states and territories of the United States by population, largest state by population and List of U.S. states and territories by area, third-largest by area. Prior to European colonization of the Americas, European colonization, California was one of the most culturally and linguistically diverse areas in pre-Columbian North America. European exploration in the 16th and 17th centuries led to the colonization by the Spanish Empire. The area became a part of Mexico in 1821, following Mexican War of Independence, its successful war for independence, but Mexican Cession, was ceded to the U ...
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Vernal Pool
Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the safe development of natal amphibian and insect species unable to withstand competition or predation by fish. Certain tropical fish lineages (such as killifishes) have however adapted to this habitat specifically. Vernal pools are a type of wetland. They can be surrounded by many communities/species including deciduous forest, grassland, lodgepole pine forest, blue oak woodland, sagebrush steppe, succulent coastal scrub and prairie. These pools are characteristic of Mediterranean climates, but occur in many other ecosystems. Generation and annual development During most years, a vernal pool basin will experience inundation from rain/precipitation, followed by desiccation from evapotranspiration. These conditions are commonly associated w ...
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Inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a main axis (Peduncle (botany), peduncle) and by the timing of its flowering (determinate and indeterminate). Morphology (biology), Morphologically, an inflorescence is the modified part of the Shoot (botany), shoot of spermatophyte, seed plants where flowers are formed on the axis of a plant. The modifications can involve the length and the nature of the internode (botany), internodes and the phyllotaxis, as well as variations in the proportions, compressions, swellings, adnations, connations and reduction of main and secondary axes. One can also define an inflorescence as the reproductive portion of a plant that bears a cluster of flowers in a specific pattern. General characteristics Inflorescences are described by many different charact ...
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Pedicel (botany)
In botany, a pedicel is a stem that attaches a single flower to the inflorescence. Such inflorescences are described as ''pedicellate''. The stalk at the base of a leaf is called a petiole. Description Pedicel refers to a structure connecting a single flower to its inflorescence. In the absence of a pedicel, the flowers are described as sessile. Pedicel is also applied to the stem of the infructescence. The word "pedicel" is derived from the Latin ''pediculus'', meaning "little foot". The stem or branch from the main stem of the inflorescence that holds a group of pedicels is called a peduncle. A pedicel may be associated with a bract or bracts. In cultivation In Halloween types of pumpkin A pumpkin is a cultivar, cultivated winter squash in the genus ''Cucurbita''. The term is most commonly applied to round, orange-colored squash varieties, but does not possess a scientific definition. It may be used in reference to many dif ... or squash plants, the shape o ...
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