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common hop

Scientific Name: Humulus lupulus

Family: Cannabaceae

Category: Dicot

Growth: Vine, Forb/herb

Duration: Perennial

Other Names:

       

Common Hop (Humulus lupulus)

The common hop, scientifically known as Humulus lupulus, is a well-known plant with various uses and interesting characteristics.

Considerations for Pets

  • Skin contact with the plant has been noted to cause hazards.

Considerations for Children

  • The plant is a climbing vine and can grow up to 30 feet.

Taxonomy and Nomenclature

  • Scientific Name: Humulus lupulus
  • Common Names: Common Hop, Hop, European Hop, Common Hops
  • Family: Cannabaceae (also listed as Cannabidaceae)
  • Genus: Humulus
  • Synonyms/Alternative Names: Asperge Sauvage, Couleuvre, Couleuvre Septentrionale

Distribution and Habitat

  • Native to Europe, western Asia, and North America.
  • Found in temperate regions.
  • Can be found in wetlands such as pond edges, lake shores, marshes, swamps, ditches, and wooded ravines.

Ecological Role

  • Can be an invasive non-native species.
  • Humulus japonicus (Japanese Hops) is mentioned as another invasive species.

Morphological Characteristics and Growth Habits

  • Herbaceous perennial climbing plant.
  • Dioecious, meaning male and female flowers are on separate plants.
  • The stem is climbing, quadriacies (four-sided), and can grow up to 5 meters.
  • Can grow up to 9 meters and supports itself by climbing.
  • The female flowers are called cones.
  • Leaves are cordate (heart-shaped).
  • Rough stems.

Uses and Interactions

  • Several varieties are bred for their bitter and aromatic qualities used in brewing.
  • The female fruit (cone) is used to flavor beer and prevent bacterial contamination during fermenting.
  • Produces isoadhumulone, a bitter principle in beer, and has bacteriostatic properties against Gram-positive bacteria.
  • Shares common aroma terpenes with Cannabis sativa (marijuana).
  • Does not suffer from serious insect or disease problems.