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telegraph plant

noun

  1. a tick trefoil, Desmodium motorium, of the legume family, native to tropical Asia, noted for the spontaneous, jerking, signallike motions of its leaflets.


telegraph plant

noun

  1. a small tropical Asian leguminous shrub, Desmodium gyrans, having small leaflets that turn in various directions during the day and droop at night
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of telegraph plant1

First recorded in 1880–85
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Example Sentences

Portion of stem and leaves of Telegraph-plant (Desmodium gyrans), almost of natural size.

I have found identical antagonistic reactions in the pulsating tissue of Desmodium gyrans, the telegraph plant.

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