al·​ter·​nan·​the·​ra | \ˌȯltə(r)ˈnanthərə also ˌal-\

Definition of alternanthera 

1 capitalized : a genus of low herbs (family Amaranthaceae) chiefly of tropical America and Australia with inconspicuous flowers — see alligator weed

2 plural -s : a plant of the genus Telanthera

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First Known Use of alternanthera

1794, in the meaning defined at sense 1

History and Etymology for alternanthera

New Latin, from Latin alternus + New Latin -anthera

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The first known use of alternanthera was in 1794

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to express warning or disapproval

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