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Seed dispersal. In spermatophyte plants, seed dispersal is the movement, spread or transport of seeds away from the parent plant. [ 1] Plants have limited mobility and rely upon a variety of dispersal vectors to transport their seeds, including both abiotic vectors, such as the wind, and living ( biotic) vectors such as birds.
Dehiscence (botany) Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part. Structures that open in this way are said to be dehiscent.
A bur (also spelled burr) [ 1] is a seed or dry fruit or infructescence that has hooks or teeth. The main function of the bur is to spread the seeds of the bur plant, often through epizoochory. The hooks of the bur are used to latch onto fur or fabric, enabling the bur – which contain seeds – to be transported to another location for ...
In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes ), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory .
Self-pollination is a form of pollination in which pollen arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the same plant. The term cross-pollination is used for the opposite case, where pollen from one plant moves to a different plant. There are two types of self-pollination: in autogamy, pollen is ...
UV coloration in flowers. Dandelion under both UV light coloration (left) and visible light coloration (right). UV coloration is a natural phenomenon that leads to unique interactions between organisms that have evolved the ability to perceive these wavelengths of light. It serves as one method to attract pollinators to the flower along with ...
July 14, 2024 at 9:28 AM. All the popular garden and lawn care products to help you have a beautiful yard — all $25 or less. The sun is out and the birds are singing, signaling us to get dirty ...
Galium is Dioscorides ’ name for the plant. It is derived from the Greek word for ‘milk’, because the flowers of Galium verum were used to curdle milk in cheese making. [ 7] Aparine is a name used by Theophrastus. It means 'clinging' or 'seizing', [ 7] and is derived from the Greek απαίρω apairo 'lay hold of, seize', itself coming ...
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