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Sensitive Plant (Mimosa pudica)
தொட்டால் சிணுங்கி
தொட்டால் சிணுங்கியின் மகிமையை அறிவீர்களா நீங்கள்?
Mimosa pudica is native to South America and Central America. It has been introduced to many other regions and is regarded as an invasive species in Tanzania, South Asia and South East Asia and many Pacific Islands. It is regarded as invasive in parts of Australia and is a declared weed in the Northern Territory, and Western Australia although not naturalized there. Control is recommended in Queensland. It has also been introduced to Nigeria, Seychelles, Mauritius and East Asia but is not regarded as invasive in those places. In the United States of America, it grows in Florida, Hawaii, Virginia, Maryland, Puerto Rico, Texas, and the Virgin Islands.
Non-English common names in other European language/culture areas include não-me-toque (touch-me-not), sensitiva (sensitive) or dormideira(roughly "sleeper") in the Portuguese language (with the former being more common in Portugal, Africa and Rio de Janeiro, the middle in São Paulo city and the Southern capitals and the latter elsewhere in Brazil), while in Spanish it varies in names such as morí-viví or moriviví (Dominican Republic and other Spanish-speaking Caribbean islands, roughly translating to "I died, I lived") and dormilona (Costa Rica and elsewhere inCentral America, roughly translating to "sleepyhead", as in Brazil).
In Austronesia names vary more: in the Philippines it is called makahiya, with maka- meaning "quite" or "tendency to be", and -hiya meaning "shy", or "shyness"),[citation needed] while in Tonga for example it is known as mateloi (false death),being putri malu (shy princess) in Indonesiaand pokok semalu (shy plant) in Malaysia.
In South Asia many unrelated names are also common. In Urdu it is known as chhui-mui ("that which dies upon touch"). In Bengali, the shrub is known as lojjaboti ("the bashful girl"). In Malayalam it is called thottavaadi ("wilts by touch"). In Marathi it is called lazalu ("shy"). In Tamil, it is called thotta-siningi ("acts when touched") and in Kannada, it is known as muttidare muni (ಮುಟ್ಟಿದರೆ ಮುನಿ ಗಿಡ; "angered by touch"). In Burmese(Myanmar) it is called hti ka yoan, which means "crumbles when touched"
http://youtu.be/vNItcjXiT30This plant will bring hours of entertainment to kids of any age. The Sensitive Plant actually moves when you touch its leaves. The fine leaflets open in the daylight, yet when touched will collapse downward. Give them an hour or so and up they’ll come again. As plants mature, they form small pink puffs of bloom adding an extra benefit to this unique species. What a perfect way to introduce children to the world of plants.
This plant is a member of the family Leguminosae (Fabaceae).
The leaves are "compound," composed of leaflets surrounding a central
spine. When touched, the leaflets close in around the central spine. What if
any is the evolutionary advantage to this characteristic?
Mimosa pudica was first formally described by Carl
Linnaeusin Species Plantarum in 1753.[5] The species epithet,pudica, is Latin for
"bashful" or "shrinking", alluding to its shrinking
reaction to contact.
hemical constituents
Mimosa pudica contains the toxic alkaloid mimosine, which
has been found to also have antiproliferative and apoptotic effects.The
extracts of Mimosa pudica immobilize the filariform larvae of Strongyloides
stercoralis in less than one hour. Aqueous extracts of the roots of the plant
have shown significant neutralizing effects in the lethality of the venom of
the monocled cobra (Naja Kaouthia). It appears to inhibit the myotoxicity and
enzyme activity of cobra venom. Thanks
Vikipedia
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