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1985
SPRING PROMISES
BY ARTISAN
LAURA LOU SAWYER
SIGNED NUMBERED
#61 / 250
MEASURES ABOUT 12" X 14" FRAMED
5" X 7" IMAGE
coa / CERTIFICATE OF AUTHENTICITY ON REVERSE
IMAGE DEPICTS A WANDERING COUNTRY PATH
WHERE THE WILD FLOWERS & BLUEBELLS ABOUND
THE SMELL OF FAITH IS IN THE AIR!
SPRING IS UPON US....
SPRING PROMISES
BY ARTISAN
LAURA LOU SAWYER
SIGNED NUMBERED
#61 / 250
MEASURES ABOUT 12" X 14" FRAMED
5" X 7" IMAGE
coa / CERTIFICATE OF AUTHENTICITY ON REVERSE
IMAGE DEPICTS A WANDERING COUNTRY PATH
WHERE THE WILD FLOWERS & BLUEBELLS ABOUND
THE SMELL OF FAITH IS IN THE AIR!
SPRING IS UPON US....
About the artist: SAWYER, Laura Lou Laura Lou Sawyer, a retired artist, passed away peacefully on April 25, 2015 after a courageous battle with emphysema. Born and raised in Chicago, Illinois, Laura earned her B.A. in Art from Eastern Illinois University. She moved to Dallas with her husband Allen Sawyer in 1961. Laura became a professional artist in the 1970s, specializing in the Texas Hill Country, seascapes, and lighthouses. For several years, she owned her own art gallery (Sawyer Arts) at Olla Podrida Mall in Richardson. Laura is survived by her husband of 54 years, Al, and their children, Alice Leal (husband Carlos) of McKinney, Greg Sawyer (wife Cami) of New Zealand, and Carol Sawyer of Alabama, and three grandchildren Matthew, Alexander, and Addi, as well as numerous extended family members. She is preceded in death by her parents.
FYI
--------------------------------------------
Botany, plant science(s), or plant biology (from Ancient Greek βοτ?νη botane, "pasture, grass, or fodder" and that from β?σκειν boskein, "to feed or to graze"), a discipline of biology, is the science of plant life. Traditionally, botany included the study of fungi, algae and viruses. Botany covers a wide range of scientific disciplines including structure, growth, reproduction, metabolism, development, diseases, chemical properties, and evolutionary relationships among taxonomic groups. Botany began with early human efforts to identify edible, medicinal and poisonous plants, making it one of the oldest branches of science. Today botanists study about 400,000 species of living organisms.
Plants are essential as food and for all people and also as recreation for people who enjoy gardening, horticulture, and culinary arts.
Early botany
The history of botany begins with ancient writings on, and classifications of, plants. Such writings are found in several early cultures. Examples of early botanical works have been found in Ancient Indian sacred texts, ancient Zoroastrian writings, and ancient Chinese works.
Theophrastus (c. 371–287 BC) has been frequently referred to as the ”father of botany”. The Greco-Roman world produced a number of botanical works.
Works from the medieval Muslim world included Ibn Wahshiyya's Nabatean Agriculture, Abu ?anifa Dinawari's (828-896) the Book of Plants, and Ibn Bassal's The Classification of Soils. In the early 13th century, Abu al-Abbas al-Nabati, and Ibn al-Baitar (d. 1248) also wrote on botany.
Early modern botany
German physician Leonhart Fuchs (1501–1566) was one of "the three founding fathers of botany", along with Otto Brunfels (1489–1534) and Hieronymus Bock (1498–1554) (also called Hieronymus Tragus).
Valerius Cordus (1515–1544) authored a pharmacopoeia of lasting importance, the Dispensatorium in 1546. Conrad von Gesner (1516–1565) and Nicholas Culpeper (1616–1654) also published herbals covering the medicinal uses of plants. Ulisse Aldrovandi (1522–1605) was considered the "father of natural history", which included the study of plants. In 1665, using an early microscope, Robert Hooke discovered cells, a term he coined, in cork, and a short time later in living plant tissue.
During the 18th century, systems of classification were developed that are comparable to diagnostic keys, where taxa are artificially grouped in pairs. The sequence of the taxa in keys is often unrelated to their natural or phyletic groupings. By the 18th century an increasing number of new plants had arrived in Europe from newly discovered countries and the European colonies worldwide and a larger amount of plants became available for study. Botanical guides from this time were sparsely illustrated. In 1754 Carl von Linne (Carl Linnaeus) divided the plant Kingdom into 25 classes with a taxonomy with a standardized binomial naming system for animal and plant species. He used a two-part naming scheme where the first name represented the genus and the second the species. One of Linnaeus' classifications, the Cryptogamia, included all plants with concealed reproductive parts (mosses, liverworts and ferns), and algae and fungi.
The increased knowledge of anatomy, morphology and life cycles, lead to the realization that there were more natural affinities between plants, than the sexual system of Linnaeus indicated. Adanson (1763), de Jussieu (1789), and Candolle (1819) all proposed various alternative natural systems that were widely followed. The ideas of natural selection as a mechanism for evolution required adaptations to the Candollean system, which started the studies on evolutionary relationships and phylogenetic classifications of plants.
Botany was greatly stimulated by the appearance of the first "modern" text book, Matthias Schleiden's Grundzuge der Wissenschaftlichen, published in English in 1849 as Principles of Scientific Botany. Carl Willdenow examined the connection between seed dispersal and distribution, the nature of plant associations, and the impact of geological history. The cell nucleus was discovered by Robert Brown in 1831.
Modern botany
A considerable amount of new knowledge today is being generated from studying model plants like Arabidopsis thaliana. This weedy species in the mustard family was one of the first plants to have its genome sequenced. The sequencing of the rice (Oryza sativa) genome, its relatively small genome, and a large international research community have made rice an important cereal/grass/monocot model. Another grass species, Brachypodium distachyon is also an experimental model for understanding genetic, cellular and molecular biology. Other commercially important staple foods like wheat, maize, barley, rye, pearl millet and soybean are also having their genomes sequenced. Some of these are challenging to sequence because they have more than two haploid (n) sets of chromosomes, a condition known as polyploidy, common in the plant kingdom. A green alga, Chlamydomonas reinhardtii, is model organism that has proven important in advancing knowledge of cell biology.
In 1998 the Angiosperm Phylogeny Group published a phylogeny of flowering plants based on an analysis of DNA sequences from most families of flowering plants. As a result of this work, major questions such as which families represent the earliest branches in the genealogy of angiosperms are now understood. Investigating how plant species are related to each other allows botanists to better understand the process of evolution in plants. Despite the study of model plants and DNA, there is continual ongoing work and discussion among taxonomists about how best to classify plants into various taxa.
Scope and importance of botany
Molecular, genetic and biochemical level through organelles, cells, tissues, organs, individuals, plant populations, and communities of plants are all aspects of plant life that are studied. At each of these levels a botanist might be concerned with the classification (taxonomy), structure (anatomy and morphology), or function (physiology) of plant life.
Historically all living things were grouped as animals or plants, and botany covered all organisms not considered animals. Some organisms included in the field of botany are no longer considered to belong to the plant (plantae) kingdom, which obtain their energy via photosynthesis, – these include bacteria (studied in bacteriology), fungi (mycology) including lichen-forming fungi (lichenology), non-chlorophyte algae (phycology) and viruses (virology). However, attention is still given to these groups by botanists, and fungi (including lichens), and photosynthetic protists are usually covered in introductory botany courses.
The study of plants is vital because they are a fundamental part of life on Earth, which generates the oxygen, food, fibres, fuel and medicine that allow humans and other life forms to exist. Through photosynthesis, plants absorb carbon dioxide, a greenhouse gas that in large amounts can affect global climate. Just as importantly for us, plants release oxygen into the atmosphere during photosynthesis. Additionally, they prevent soil erosion and are influential in the water cycle. Plants are crucial to the future of human society as provide food, oxygen, beauty, medicine, habitat for animals, products for people, and create and preserve soil. Paleobotanists study ancient plants in the fossil record. It is believed that early in the Earth's history, the evolution of photosynthetic plants altered the global atmosphere of the earth, changing the ancient atmosphere by oxidation.
Human nutrition
Virtually all foods directly or indirectly, via animals that rely on plants for nutrition, from plants. Plants are the fundamental base of nearly all food chains because they use the energy from the sun and nutrients from the soil and atmosphere, converting them into a form that can be consumed and utilized by animals; this is what ecologists call the first trophic level. Botanists also study how plants produce food we can eat and how to increase yields and therefore their work is important in mankind's ability to feed the world and provide food security for future generations, for example, through plant breeding. Botanists also study weeds, plants which are considered to be a nuisance in a particular location. Weeds are a considerable problem in agriculture, and botany provides some of the basic science used to understand how to minimize 'weed' impact in agriculture and native ecosystems. Ethnobotany is the study of the relationships between plants and people, and when this kind of study is turned to the investigation of plant-people relationships in past times, it is referred to as archaeobotany or paleoethnobotany.
Scientific classification in botany is a method by which botanists group and categorize organisms by biological type, such as genus or species. Biological classification is a form of scientific taxonomy. Modern taxonomy is rooted in the work of Carolus Linnaeus, who grouped species according to shared physical characteristics. These groupings have since been revised to improve consistency with the Darwinian principle of common descent. While scientists do not always agree on how to classify organisms, molecular phylogenetics, which uses DNA sequences as data, has driven many recent revisions along more efficient, evolutionary lines and is likely to continue to do so. Botanical classification belongs to the science of plant systematics. The dominant classification system is called the Linnaean taxonomy. It includes ranks and binomial nomenclature. The classification, taxonomy, and nomenclature of botanical organisms is administered by the International Code of Nomenclature for algae, fungi, and plants (ICN).
The five-kingdom system has largely been superseded by modern alternative classification systems. Textbooks generally begin with the three-domain system: Archaea (originally Archaebacteria); Bacteria (originally Eubacteria); Eukaryota (including protists, fungi, plants, and animals). These domains reflect whether the cells have nuclei or not, as well as differences in the chemical composition of the cell exteriors and ribosomes.
Further, each kingdom is broken down recursively until each species is separately classified. The order is: Domain; Kingdom; Phylum; Class; Order; Family; Genus; Species. The scientific name of an organism is generated from its genus and species, resulting in a single world-wide name for each organism. For example, the Tiger Lily is listed as Lilium columbianum. Lilium is the genus, and columbianum the specific epithet. When writing the scientific name of an organism, it is proper to capitalize the first letter in the genus and put all of the specific epithet in lowercase. Additionally, the entire term is ordinarily italicized or underlined. Phylogenetics is the study of similarities among different species.
------------------
Hyacinthoides is a genus of flowering plants in the family Asparagaceae, known as bluebells.
Systematics
Hyacinthoides is classified in the subfamily Scilloideae (now part of the family Asparagaceae, but formerly treated as a separate family, called Hyacinthaceae), alongside genera such as Scilla, Chionodoxa and Ornithogalum. Hyacinthoides is differentiated from these other genera by the presence of two bracts at the base of each flower, rather than one bract per flower or no bracts in the other genera.
Species
According to the World Checklist of Selected Plant Families as of July 2012, the genus contains 11 species and one interspecific hybrid. The majority of species are distributed around the Mediterranean Basin, with only one species, Hyacinthoides non-scripta, occurring further north in north-western Europe. The species belong, according to analysis using molecular phylogenetics, to three species groups.
Plants are essential as food and for all people and also as recreation for people who enjoy gardening, horticulture, and culinary arts.
Early botany
The history of botany begins with ancient writings on, and classifications of, plants. Such writings are found in several early cultures. Examples of early botanical works have been found in Ancient Indian sacred texts, ancient Zoroastrian writings, and ancient Chinese works.
Theophrastus (c. 371–287 BC) has been frequently referred to as the ”father of botany”. The Greco-Roman world produced a number of botanical works.
Works from the medieval Muslim world included Ibn Wahshiyya's Nabatean Agriculture, Abu ?anifa Dinawari's (828-896) the Book of Plants, and Ibn Bassal's The Classification of Soils. In the early 13th century, Abu al-Abbas al-Nabati, and Ibn al-Baitar (d. 1248) also wrote on botany.
Early modern botany
German physician Leonhart Fuchs (1501–1566) was one of "the three founding fathers of botany", along with Otto Brunfels (1489–1534) and Hieronymus Bock (1498–1554) (also called Hieronymus Tragus).
Valerius Cordus (1515–1544) authored a pharmacopoeia of lasting importance, the Dispensatorium in 1546. Conrad von Gesner (1516–1565) and Nicholas Culpeper (1616–1654) also published herbals covering the medicinal uses of plants. Ulisse Aldrovandi (1522–1605) was considered the "father of natural history", which included the study of plants. In 1665, using an early microscope, Robert Hooke discovered cells, a term he coined, in cork, and a short time later in living plant tissue.
During the 18th century, systems of classification were developed that are comparable to diagnostic keys, where taxa are artificially grouped in pairs. The sequence of the taxa in keys is often unrelated to their natural or phyletic groupings. By the 18th century an increasing number of new plants had arrived in Europe from newly discovered countries and the European colonies worldwide and a larger amount of plants became available for study. Botanical guides from this time were sparsely illustrated. In 1754 Carl von Linne (Carl Linnaeus) divided the plant Kingdom into 25 classes with a taxonomy with a standardized binomial naming system for animal and plant species. He used a two-part naming scheme where the first name represented the genus and the second the species. One of Linnaeus' classifications, the Cryptogamia, included all plants with concealed reproductive parts (mosses, liverworts and ferns), and algae and fungi.
The increased knowledge of anatomy, morphology and life cycles, lead to the realization that there were more natural affinities between plants, than the sexual system of Linnaeus indicated. Adanson (1763), de Jussieu (1789), and Candolle (1819) all proposed various alternative natural systems that were widely followed. The ideas of natural selection as a mechanism for evolution required adaptations to the Candollean system, which started the studies on evolutionary relationships and phylogenetic classifications of plants.
Botany was greatly stimulated by the appearance of the first "modern" text book, Matthias Schleiden's Grundzuge der Wissenschaftlichen, published in English in 1849 as Principles of Scientific Botany. Carl Willdenow examined the connection between seed dispersal and distribution, the nature of plant associations, and the impact of geological history. The cell nucleus was discovered by Robert Brown in 1831.
Modern botany
A considerable amount of new knowledge today is being generated from studying model plants like Arabidopsis thaliana. This weedy species in the mustard family was one of the first plants to have its genome sequenced. The sequencing of the rice (Oryza sativa) genome, its relatively small genome, and a large international research community have made rice an important cereal/grass/monocot model. Another grass species, Brachypodium distachyon is also an experimental model for understanding genetic, cellular and molecular biology. Other commercially important staple foods like wheat, maize, barley, rye, pearl millet and soybean are also having their genomes sequenced. Some of these are challenging to sequence because they have more than two haploid (n) sets of chromosomes, a condition known as polyploidy, common in the plant kingdom. A green alga, Chlamydomonas reinhardtii, is model organism that has proven important in advancing knowledge of cell biology.
In 1998 the Angiosperm Phylogeny Group published a phylogeny of flowering plants based on an analysis of DNA sequences from most families of flowering plants. As a result of this work, major questions such as which families represent the earliest branches in the genealogy of angiosperms are now understood. Investigating how plant species are related to each other allows botanists to better understand the process of evolution in plants. Despite the study of model plants and DNA, there is continual ongoing work and discussion among taxonomists about how best to classify plants into various taxa.
Scope and importance of botany
Molecular, genetic and biochemical level through organelles, cells, tissues, organs, individuals, plant populations, and communities of plants are all aspects of plant life that are studied. At each of these levels a botanist might be concerned with the classification (taxonomy), structure (anatomy and morphology), or function (physiology) of plant life.
Historically all living things were grouped as animals or plants, and botany covered all organisms not considered animals. Some organisms included in the field of botany are no longer considered to belong to the plant (plantae) kingdom, which obtain their energy via photosynthesis, – these include bacteria (studied in bacteriology), fungi (mycology) including lichen-forming fungi (lichenology), non-chlorophyte algae (phycology) and viruses (virology). However, attention is still given to these groups by botanists, and fungi (including lichens), and photosynthetic protists are usually covered in introductory botany courses.
The study of plants is vital because they are a fundamental part of life on Earth, which generates the oxygen, food, fibres, fuel and medicine that allow humans and other life forms to exist. Through photosynthesis, plants absorb carbon dioxide, a greenhouse gas that in large amounts can affect global climate. Just as importantly for us, plants release oxygen into the atmosphere during photosynthesis. Additionally, they prevent soil erosion and are influential in the water cycle. Plants are crucial to the future of human society as provide food, oxygen, beauty, medicine, habitat for animals, products for people, and create and preserve soil. Paleobotanists study ancient plants in the fossil record. It is believed that early in the Earth's history, the evolution of photosynthetic plants altered the global atmosphere of the earth, changing the ancient atmosphere by oxidation.
Human nutrition
Virtually all foods directly or indirectly, via animals that rely on plants for nutrition, from plants. Plants are the fundamental base of nearly all food chains because they use the energy from the sun and nutrients from the soil and atmosphere, converting them into a form that can be consumed and utilized by animals; this is what ecologists call the first trophic level. Botanists also study how plants produce food we can eat and how to increase yields and therefore their work is important in mankind's ability to feed the world and provide food security for future generations, for example, through plant breeding. Botanists also study weeds, plants which are considered to be a nuisance in a particular location. Weeds are a considerable problem in agriculture, and botany provides some of the basic science used to understand how to minimize 'weed' impact in agriculture and native ecosystems. Ethnobotany is the study of the relationships between plants and people, and when this kind of study is turned to the investigation of plant-people relationships in past times, it is referred to as archaeobotany or paleoethnobotany.
Scientific classification in botany is a method by which botanists group and categorize organisms by biological type, such as genus or species. Biological classification is a form of scientific taxonomy. Modern taxonomy is rooted in the work of Carolus Linnaeus, who grouped species according to shared physical characteristics. These groupings have since been revised to improve consistency with the Darwinian principle of common descent. While scientists do not always agree on how to classify organisms, molecular phylogenetics, which uses DNA sequences as data, has driven many recent revisions along more efficient, evolutionary lines and is likely to continue to do so. Botanical classification belongs to the science of plant systematics. The dominant classification system is called the Linnaean taxonomy. It includes ranks and binomial nomenclature. The classification, taxonomy, and nomenclature of botanical organisms is administered by the International Code of Nomenclature for algae, fungi, and plants (ICN).
The five-kingdom system has largely been superseded by modern alternative classification systems. Textbooks generally begin with the three-domain system: Archaea (originally Archaebacteria); Bacteria (originally Eubacteria); Eukaryota (including protists, fungi, plants, and animals). These domains reflect whether the cells have nuclei or not, as well as differences in the chemical composition of the cell exteriors and ribosomes.
Further, each kingdom is broken down recursively until each species is separately classified. The order is: Domain; Kingdom; Phylum; Class; Order; Family; Genus; Species. The scientific name of an organism is generated from its genus and species, resulting in a single world-wide name for each organism. For example, the Tiger Lily is listed as Lilium columbianum. Lilium is the genus, and columbianum the specific epithet. When writing the scientific name of an organism, it is proper to capitalize the first letter in the genus and put all of the specific epithet in lowercase. Additionally, the entire term is ordinarily italicized or underlined. Phylogenetics is the study of similarities among different species.
------------------
Hyacinthoides is a genus of flowering plants in the family Asparagaceae, known as bluebells.
Systematics
Hyacinthoides is classified in the subfamily Scilloideae (now part of the family Asparagaceae, but formerly treated as a separate family, called Hyacinthaceae), alongside genera such as Scilla, Chionodoxa and Ornithogalum. Hyacinthoides is differentiated from these other genera by the presence of two bracts at the base of each flower, rather than one bract per flower or no bracts in the other genera.
Species
According to the World Checklist of Selected Plant Families as of July 2012, the genus contains 11 species and one interspecific hybrid. The majority of species are distributed around the Mediterranean Basin, with only one species, Hyacinthoides non-scripta, occurring further north in north-western Europe. The species belong, according to analysis using molecular phylogenetics, to three species groups.
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