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Mimosa pudica (also called sensitive plant, sleepy plant, [citation needed] action plant, humble plant, touch-me-not, touch-and-die, or shameplant) [3] [2] is a creeping annual or perennial flowering plant of the pea/legume family Fabaceae. It is often grown for its curiosity value: the sensitive compound leaves quickly fold inward and droop ...
The ribbed stems of this plant usually grow to 4 ft (1.2 m) or more and are branched. Plants rarely reach more than 1–2 ft (0.3–0.6 m) in height. The frond-like leaves are alternate with prickly stalks. The bipinnate leaf blades are divided into four to nine pairs of small segments, and these are again divided into 8–15 pairs of tiny ...
Mimosa pudica is well known for its rapid plant movement. The leaves close up and droop when touched. However, this is not a form of tropism, but a nastic movement, a similar phenomenon. Nastic movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance), and are usually associated with plants.
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] ... Mimosa pudica L. Mimosa pumilio Barneby;
The Mimosoideae are a traditional subfamily of trees, herbs, lianas, and shrubs in the pea family that mostly grow in tropical and subtropical climates.They are typically characterized by having radially symmetric flowers, with petals that are twice divided (valvate) in bud and with numerous showy, prominent stamens.
Mimosa pigra is closely related to Mimosa pudica (common sensitive plant). It can be distinguished from Mimosa pudica by its large size, large pods (6 to 8 cm long as opposed to 2.5 cm long) and leaves, which have 6 to 16 pairs of pinnae as opposed to 1 to 2 pairs on Mimosa pudica leaves. [1] [4]
Gagliano is a researcher in the field of plant cognition. [13] Her most well-known study, from 2014, investigated learning and memory in Mimosa pudica. [14] Mimosa plants typically fold their leaves at the slightest disturbance. Gagliano's study showed that Mimosa plants no longer folded their leaves after being dropped in the same way ...