trigger plant

British

noun

any of several small grasslike plants of the genus Stylidium , having sensitive stamens that are erected when disturbed: family Stylidiaceae

"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

Example Sentences

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The arrival of early spring, when an increase in daylight begins to trigger plant growth, is the perfect time to put in a bit of work to help your plants thrive during the year.

From Washington Post • Mar. 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023