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Ceanothus Maritimus
''Ceanothus maritimus'', with the common name maritime ceanothus, is a species of shrub in the buckthorn family Rhamnaceae. It is Endemism, endemic to San Luis Obispo County, California, where it is known from only a few occurrences in the vicinity of Hearst Castle, Hearst Ranch. It shares the same range as the similarly rare ''Ceanothus hearstiorum'', growing on the coastal bluffs. Description The ''Ceanothus maritimus'' is a spreading or ascending shrub under a meter in height with reddish gray bark aging to gray. The firm evergreen leaves are oppositely arranged, each oval or oblong in shape with a pointed, flat, or notched tip. The leaves are under 2 centimeters long, shiny green on top and woolly underneath, with their edges curled under and sometimes toothed. The inflorescence is a small cluster of deep blue to off-white flowers. The fruit is a capsule about 6 millimeters long which is generally rounded with tiny horns on top. References External linksJepson Manual Treatm ...
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Shrub
A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple Plant stem, stems and shorter height, less than tall. Small shrubs, less than tall are sometimes termed as subshrubs. Many botany, botanical groups have species that are shrubs, and others that are trees and herbaceous plants instead. Some define a shrub as less than and a tree as over 6 m. Others use as the cutoff point for classification. Many trees do not reach this mature height because of hostile, less than ideal growing conditions, and resemble shrub-sized plants. Others in such species have the potential to grow taller in ideal conditions. For longevity, most shrubs are classified between Perennial plant, perennials and trees. Some only last about five years in good conditions. Others, usually larger and more woody, live beyond ...
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Rhamnaceae
The Rhamnaceae are a large Family (biology), family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales. The family contains about 55 genera and 950 species. The Rhamnaceae have a worldwide distribution, but are more common in the subtropical and tropical regions. The earliest fossil evidence of Rhamnaceae is from the Late Cretaceous. Fossil flowers have been collected from the Upper Cretaceous of Mexico and the Paleocene of Argentina. Leaves of family Rhamnaceae members are Simple leaf, simple, i.e., the leaf blades are not divided into smaller leaflets.Flowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed. 2000, p. 166 Leaves can be either alternate or opposite leaves, opposite. Stipules are present and modified into spines in many genera. In some (e.g. ''Paliurus spina-christi'' and ''Colletia paradoxa'') spectacularly so. ''Colletia'' stands out by having two axillary buds i ...
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Endemism
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or b ...
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San Luis Obispo County, California
San Luis Obispo County (), officially the County of San Luis Obispo, is a County (United States), county on the Central Coast of California. As of the 2020 United States census, the population was 282,424. The county seat is San Luis Obispo, California, San Luis Obispo. Junípero Serra founded the Mission San Luis Obispo de Tolosa in 1772, and San Luis Obispo grew around it. The small size of the county's communities, scattered along the beaches, coastal hills, and mountains of the Santa Lucia range, provides a wide variety of coastal and inland hill ecologies to support fishing, agriculture, and tourist activities. California Polytechnic State University has almost 20,000 students. Tourism, especially for the wineries, is popular. Grapes and other agriculture products are an important part of the economy. San Luis Obispo County is the third largest producer of wine in California, surpassed only by Sonoma and Napa counties. Strawberries are the largest agricultural crop in ...
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Hearst Castle
Hearst Castle, known formally as La Cuesta Encantada ( Spanish for "The Enchanted Hill"), is a historic estate in San Simeon, located on the Central Coast of California. Conceived by William Randolph Hearst, the publishing tycoon, and his architect Julia Morgan, the castle was built between 1919 and 1947. Today, Hearst Castle is a museum open to the public as a California State Park and registered as a National Historic Landmark and California Historical Landmark. George Hearst, William Randolph Hearst's father, had purchased the original estate in 1865 and Camp Hill, the site for the future Hearst Castle, was used for family camping vacations during Hearst's youth. In 1919, William Randolph inherited some $11,000,000 () and estates including the land at San Simeon. He used his fortune to further develop his media empire of newspapers, magazines and radio stations, the profits from which supported a lifetime of building and collecting. Within a few months of the death of his ...
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Ceanothus Hearstiorum
''Ceanothus hearstiorum'' is a species of flowering shrub known by the common names Hearst Ranch buckbrush and Hearst's ceanothus. This '' Ceanothus'' is endemic to California, where it grows wild only on the hilly coastline of San Luis Obispo County. Description This shrub is generally wider than it is tall and often lies prostrate in a mat on the ground. The younger branches are hairy and somewhat feltlike in texture. The distinctive evergreen leaves are oval to almost rectangular and have a cupped, rippled surface. The edges are toothed with tiny glandular knobs and the shiny surface may be dotted with more knobs. The underside of the leaf is fuzzy to hairy. The inflorescences are borne on short, stout stalks and the tiny flowers are lavender to blue with prominent yellow-anthered blue stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology ...
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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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Ceanothus
''Ceanothus'' is a genus of about 50–60 species of nitrogen-fixing shrubs and small trees in the buckthorn family (Rhamnaceae). Common names for members of this genus are buckbrush, California lilac, soap bush, or just ceanothus. ''"Ceanothus"'' comes from (''keánōthos''), which was applied by Theophrastus (371–287 BC) to an Old World plant believed to be '' Cirsium arvense''. The genus is native to North America with the highest diversity on the western coast. Some species (e.g., '' C. americanus'') are restricted to the eastern United States and southeast Canada, and others (e.g., '' C. caeruleus'') extend as far south as Guatemala. Most are shrubs tall, but '' C. arboreus'' and '' C. thyrsiflorus'', both native to California, can be small multi-trunked trees up to tall. Taxonomy There are two subgenera within this genus: ''Ceanothus'' and ''Cerastes''. The former clade is less drought-resistant, having bigger leaves. The evolution of these two clades likely started w ...
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Endemic Flora Of California
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or becomi ...
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Natural History Of The California Chaparral And Woodlands
Nature is an inherent character or constitution, particularly of the ecosphere or the universe as a whole. In this general sense nature refers to the laws, elements and phenomena of the physical world, including life. Although humans are part of nature, human activity or humans as a whole are often described as at times at odds, or outright separate and even superior to nature. During the advent of modern scientific method in the last several centuries, nature became the passive reality, organized and moved by divine laws. With the Industrial Revolution, nature increasingly became seen as the part of reality deprived from intentional intervention: it was hence considered as sacred by some traditions ( Rousseau, American transcendentalism) or a mere decorum for divine providence or human history (Hegel, Marx). However, a vitalist vision of nature, closer to the pre-Socratic one, got reborn at the same time, especially after Charles Darwin. Within the various uses of the word ...
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Natural History Of San Luis Obispo County, California
Nature is an inherent character or constitution, particularly of the Ecosphere (planetary), ecosphere or the universe as a whole. In this general sense nature refers to the Scientific law, laws, elements and phenomenon, phenomena of the physical world, including life. Although humans are part of nature, human activity or humans as a whole are often described as at times at odds, or outright Anthropocentrism, separate and even superior to nature. During the advent of modern scientific method in the last several centuries, nature became the passive reality, organized and moved by divine laws. With the Industrial Revolution, nature increasingly became seen as the part of reality deprived from intentional intervention: it was hence considered as sacred by some traditions (Jean-Jacques Rousseau, Rousseau, American transcendentalism) or a mere decorum for divine providence or human history (Hegel, Marx). However, a vitalist vision of nature, closer to the pre-Socratic one, got reborn ...
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