Verveine bleue (Stachytarpheta jamaicensis). Nommée Verveine bleue en référence à ses longues tiges se terminant par de petites fleurs violacées,
Verveine bleue — Wikipédia
Stachytarpheta jamaicensis - Leon Levy Native Plant Preserve
File:Stachytarpheta jamaicensis at Aanakkulam.jpg - Wikipedia
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Stachytarpheta jamaicensis (Jamaica vervain)
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Stachytarpheta jamaicensis - Leon Levy Native Plant Preserve
Stachytarpheta jamaicensis
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