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Grain, fruit, and vegetables are basic human foods and have been domesticated for millennia. People use plants for many purposes, such as building materials, ornaments, writing materials, and, in great variety, for medicines. The scientific study of plants is known as botany, a branch of biology .
Rosaceae ( / roʊˈzeɪsiː.iː, - si.aɪ /, -si.eɪ), [4] [5] the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. [6] [7] [8] The name is derived from the type genus Rosa. The family includes herbs, shrubs, and trees. Most species are deciduous, but some are evergreen. [9]
Flowering plant. Angiospermae Lindl. Magnoliophyta Cronquist, Takht. & W.Zimm. [3] Magnolicae Takht. [4] Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae ( / ˌændʒiəˈspərmiː / ), [5] [6] commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass ...
Botanists define vascular plants by three primary characteristics: Vascular plants have vascular tissues which distribute resources through the plant. Two kinds of vascular tissue occur in plants: xylem and phloem. Phloem and xylem are closely associated with one another and are typically located immediately adjacent to each other in the plant.
Plant morphology. Phytomorphology is the study of the physical form and external structure of plants. [1] This is usually considered distinct from plant anatomy, [1] which is the study of the internal structure of plants, especially at the microscopic level. [2] Plant morphology is useful in the visual identification of plants.
Theaceae. Theaceae ( / θiˈeɪsii / ), the tea family, is a family of flowering plants comprising shrubs and trees, including the economically important tea plant, and the ornamental camellias. It can be described as having from seven to 40 genera, depending on the source and the method of circumscription used.
Evergreen. In botany, an evergreenis a plant which has foliagethat remains green and functional throughout the year.[1] This contrasts with deciduousplants, which lose their foliage completely during the winter or dry season. Evergreen species. [edit] This section needs additional citations for verification.
Herbaceous plant. Lysimachia latifolia (broadleaf starflower) is a perennial herbaceous plant of the ground layer of forests in western North America. Herbaceous plants are vascular plants that have no persistent woody stems above ground. [ 1][ 2] This broad category of plants includes many perennials, and nearly all annuals and biennials.