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Surface of an organ facing away from the organ's axis, e.g. the lower surface of a lateral organ such as a leaf or petal. [2] Contrast adaxial. abort. To abandon development of a structure or organ. [3] abscission. Natural shedding of an organ that is mature or aged, as of a ripe fruit or an old leaf.
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (/ ˌændʒiəˈspərmiː /). [5][6] The term 'angiosperm' is derived from the Greek words ἀγγεῖον / angeion ('container, vessel') and σπέρμα / sperma ('seed'), meaning that the seeds are enclosed within a fruit.
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.
Indigofera is a varied genus that has shown unique characteristics making it an interesting candidate as a potential perennial crop. [clarification needed] Specifically, there is diverse variation among species with a number of unique characteristics. Some examples of this diversity include differences in pericarp thickness, fruit type, and ...
Plant domestication is seen as the birth of agriculture. However, it is arguably proceeded by a very long history of gardening wild plants. While the 12,000 year-old date is the commonly accepted timeline describing plant domestication, there is now evidence from the Ohalo II hunter-gatherer site showing earlier signs of disturbing the soil and cultivation of pre-domesticated crop species. [8]
Chloroplasts in leaf cells of the moss Mnium stellare. Plant anatomy or phytotomy is the general term for the study of the internal structure of plants.Originally, it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century, plant anatomy has been considered a separate field referring only to internal plant structure.
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.
Ornamental plants are the keystone of ornamental gardening, and they come in a range of shapes, sizes, and colors suitable to a broad array of climates, landscapes, and gardening needs. Some ornamental plants are foliage plants grown mainly or entirely for their showy foliage; this is especially true of houseplants.