cup grass
noun
: any of several grasses constituting a genus (Erichloa) of annual and perennial grasses chiefly of warm or tropical regions
especially
: a common weedy annual grass (E. contracta) of the eastern and central U.S. that has villous spikelets and the second glume acuminate
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“Cup grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cup%20grass. Accessed 30 Nov. 2024.
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