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The nitrogen-fixing properties of Mimosa pudica contribute to a high nitrogen content within the plant's leaves. The leaves of M. pudica also contain a wide range of carbon to mineral content, as well as a large variation in 13 C values.
Mimosa pudica in normal and touched state.. In biology, thigmonasty or seismonasty is the nastic (non-directional) response of a plant or fungus to touch or vibration. [1] [2] Conspicuous examples of thigmonasty include many species in the leguminous subfamily Mimosoideae, active carnivorous plants such as Dionaea and a wide range of pollination mechanisms.
The following species in the flowering plant genus Mimosa are accepted by Plants of the World Online. [1] About 90% of its hundreds of species are found in the Neotropics . [ 2 ]
A common example is the curling of Rhododendron leaves in response to cold temperatures. Mimosa pudica also show thermotropism by the collapsing of leaf petioles leading to the folding of leaflets, when temperature drops. [1] The term "thermotropism" was originated by French botanist Philippe Van Tieghem in his 1884 textbook Traité de ...
Mimosa fixes nitrogen and, in areas of Australia where it grows profusely, it increases soil fertility and redistributes nutrients from the lower soil profile to the surface. This may be beneficial for establishing vegetation after clearing Mimosa. It is used for firewood, bean-poles and as temporary fences, and has been tested as a medium for ...
In Mimosa pudica, the internal biological clock mediates the closing of leaflets at night and opening during day. [3] Rapid (seismonastic) movement of leaves is triggered in response to touch and temperature. [4] A pulvinus is located at the base of each leaflet of the plant.
English: Video showing leaves of Mimosa pudica folding inward after being touched - a good example of thigmonasty. This video has a good resolution. This video has a good resolution. Português: Vídeo mostrando as folhas de sensitiva se fechando depois de serem tocadas - um bom exemplo de sismonasia .
Nitrogen is obtained by plants through roots from inorganic or organic sources, such as amino acids. [1] In agricultural settings, nitrogen may be a limiting factor for plant growth and yield, and in total, as a critical cellular component that a plant deficient in this nitrogen will shunt resources away from its shoot in order to expand its ...