Photo: Stachytarpheta jamaicensis 1.

Flowers and leaf. Brussels bot.g., Belgium. Greenhouse. 2008-06-05.
Stachytarpheta jamaicensis (L.) Vahl Engl.: light-blue snakeweed, Jamaica vervain. Bot. syn.: Stachytarpheta indica Vahl, Valerianoides jamaicensis (L.) Kuntze, Verbena jamaicensis L.
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Photo: Stachytarpheta jamaicensis 1.