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barbed goatgrass

Scientific Name: Aegilops triuncialis

Family: Poaceae

Category: Monocot

Growth: Graminoid

Duration: Annual

Other Names:

       

Aegilops triuncialis: Barbed Goatgrass

Aegilops triuncialis, commonly known as barbed goatgrass, is an annual grass that has garnered attention due to its invasive nature, particularly in California rangelands. It is a winter annual and belongs to the Poaceae family.

Considerations for Pets and Children

While the provided text does not explicitly detail toxicity, the following aspects of Aegilops triuncialis may warrant consideration:

  • The plant is called "barbed" goatgrass due to its barbs.
  • It has rigid leaves.
  • The plant is known to grow in grasslands.

Common Names

  • Barbed Goatgrass
  • Barb Goatgrass
  • Jointed Goatgrass

Taxonomy and Nomenclature

  • Scientific Name: Aegilops triuncialis L.
  • Family: Poaceae (Grass Family)
  • Kingdom: Plantae
  • Synonyms:
    • Aegilops squarrosa L.
    • Triticum persicum (Boiss.) Aitch. & Hemsley
    • Triticum triunciale
    • Aegilops ventricosa syn Triticum ventricosum

Distribution and Habitat

  • Native to Eastern and Mediterranean Europe, Asia, and the Mediterranean Basin.
  • Found in rangelands, grasslands, and oak woodlands.
  • Well-adapted to a wide variety of climatic conditions.
  • Notably invasive in California grasslands and western states.

Ecological Role

  • Considered a noxious weed, especially in California.
  • Invades rangelands and dry land crop areas.
  • Can become a dominant species in certain environments.
  • Readily crosses with wheat.

Morphological Characteristics

  • Annual grass, growing up to 16 inches (40.6 cm) tall (approximately 0.3 m or 1ft).
  • Not frost tender.
  • Flowers are hermaphrodite (have both male and female organs).
  • Leaf sheaths contain white hairs when young, becoming more or less smooth once mature.
  • Has few to many culms.
  • Leaves are rigid.

Interactions with Other Organisms

  • Can affect Bay Checkerspot habitat.
  • Can have leaf disease.

Further Information

  • University of California Livestock and Natural Resources Program
  • USDA-NRCS PLANTS Database
  • Oregon Department of Agriculture
  • CalPhotos
  • ResearchGate
  • Wikimedia Commons