vervain(redirected from v. simplex)
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[Middle English verveine, from Old French, from Latin verbēna, leafage; see verbena.]
(Plants) any of several verbenaceous plants of the genus Verbena, having square stems and long slender spikes of purple, blue, or white flowers
[C14: from Old French verveine, from Latin verbēna sacred bough; see verbena]
any verbena, esp. one with small flowers on spikes.
[1350–1400; Middle English vervaine < Anglo-French, Middle French verveine < Latin verbēna leafy twig, holy bough carried by priests]
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|Noun||1.||vervain - any of numerous tropical or subtropical American plants of the genus Verbena grown for their showy spikes of variously colored flowers|
flower - a plant cultivated for its blooms or blossoms
genus Verbena - type genus of the Verbenaceae; genus of herbaceous perennials and subshrubs