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Plant

Watercress

Nasturtium officinale

Also known as: Nasturtium officinale, agrião, berro

A peppery semi-aquatic perennial of the mustard family, grown in flowing freshwater or wet soil since at least Roman times. Among the most nutrient-dense leafy greens by weight — high in vitamin K, vitamin C, and the bitter sulfur compounds that give the cabbage family its medicinal reputation.

Scientific

Nasturtium officinale (family Brassicaceae) is a perennial that grows naturally in clean cool flowing streams across Europe, North Africa, and western Asia, with naturalized populations worldwide. Hollow stems float; small white flowers cross in mid-summer.

Commercial production is done in flooded gravel beds with steady cold-spring flow — the model around Alresford in Hampshire (England) and around the Limmat valley (Switzerland) — or in flood-irrigated soil beds at lower water depth. Hydroponic production in greenhouses is increasingly common.

Cultural and historical

Watercress was a foraged green long before it was cultivated. Roman soldiers carried it as a scurvy preventative; medieval European kitchens used it in soups and pottages. Commercial bed-cultivation began in 19th-century England, where the dense network of chalk-stream watercress beds around Hampshire was a major industry feeding London. Watercress sandwiches — buttered white bread, salt, watercress — became a working-class staple and stayed so.

On the directory

Watercress appears across the [[cnpo-brazil|CNPO Brazil]] organic registry — agrião is a familiar Brazilian leafy green, especially in salada brasileira (Brazilian salads), in feijoada side dishes, and in fresh juices. Brazilian organic small farms produce significant watercress for urban markets.

See also

Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.

  • Shares approach with: [[lettuce]] · [[kale]]
  • Member of: [[plants]]
  • Produced by: [[cnpo-alexandre-pereira-rezende-junior-ltda-biguacu-sc]] · [[cnpo-campo-limpo-alimentos-organicos-cruzeiro-do-sul-rs]] · [[cnpo-comercial-horti-frios-ltda-recife-pe]] · [[cnpo-cooperativa-de-produtores-organicos-cores-da-terra-cascavel-pr]] · [[cnpo-fazenda-malunga-paranoa-df]] · [[cnpo-organi-ecomercado-ltda-goiania-go]] · [[cnpo-rancho-s-f-p-producoes-agricolas-ltda-rancho-santa-monica-produtos-alimenticios-]] · [[cnpo-rancho-s-f-p-producoes-agricolas-ltda-teresopolis-rj]] · [[cnpo-reginaldo-antonio-ribeiro-da-costa-fazenda-santa-fe-ibiuna-sp]] · [[cnpo-reginaldo-antonio-ribeiro-da-costa-sitio-coqueiro-ibiuna-sp]] · [[cnpo-reginaldo-antonio-ribeiro-da-costa-sitio-pinheirinho-ibiuna-sp]] · [[cnpo-reginaldo-antonio-ribeiro-da-costa-sitio-sao-paulo-ibiuna-sp]] · [[cnpo-sabor-e-saude-org-ind-e-com-de-alimentos-ltda-harmonia-rs]] · [[cnpo-solo-vivo-prod-e-comercio-de-prod-organicos-ltda-me-ibiuna-sp]] · [[cnpo-solo-vivo-prod-e-comercio-de-prod-organicos-ltda-me-reginaldo-antonio-ribeiro-da]] · [[cnpo-terra-viva-organicos-do-tocantins-palmas-to]] · [[cnpo-verd-facil-comercio-de-frutas-e-verduras-eireli-sao-jose-sc]]

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