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Blue Vervain

Verbena hastata

Summary 10

Verbena hastata (American vervain, blue vervain or swamp verbena) is a flowering plant in the vervain family, Verbenaceae. It is a herb with opposite, simple leaves which have double-serate margins, borne on stiffly erect, branching square stems. The flowers appear in summer and are purple. This is a common plant that occurs across North America. They are hardy and drought resistant.

Fontes e Créditos

  1. (c) Tony Alter, alguns direitos reservados (CC BY), https://www.flickr.com/photos/78428166@N00/14478739406/
  2. (c) Matt Lavin, alguns direitos reservados (CC BY-SA), https://www.flickr.com/photos/plant_diversity/51338131322/
  3. (c) Scott Elliott Smithson, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dtwpuck/53087891954/
  4. (c) christina_thibeault, alguns direitos reservados (CC BY-NC)
  5. (c) Aaron Volkening, alguns direitos reservados (CC BY), https://www.flickr.com/photos/87297882@N03/52074666085/
  6. (c) Matt Lavin, alguns direitos reservados (CC BY-SA), https://www.flickr.com/photos/plant_diversity/51339596139/
  7. (c) Tom Potterfield, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/tgpotterfield/14650601793/
  8. (c) Judy Gallagher, alguns direitos reservados (CC BY), https://www.flickr.com/photos/52450054@N04/38692652685/
  9. (c) dogtooth77, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/53817483@N00/52219092038/
  10. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Verbena_hastata

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