SafePlants

No images found for this plant ID: 14139.

Ensure images are uploaded to the Media Library and tagged with "14139" in the "plant_image_tag" taxonomy.

Safe for Children?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Dogs?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Cats?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

Safe for Reptiles?

✅ Safe: 0
❓ Neutral: 0
❌ Unsafe: 0

grassland tarweed

Scientific Name: Deinandra increscens ssp. foliosa

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Deinandra increscens: Grassland Tarweed

Deinandra increscens, commonly known as grassland tarweed, is a flowering plant species belonging to the aster family.

Considerations for Pets

  • Tarweeds are generally known to have sticky stems.

Scientific Classification and Nomenclature

  • Scientific Name: Deinandra increscens (H.M. Hall ex D.D. Keck) B.G. Baldw.
  • Common Name: Grassland Tarweed
  • Family: Asteraceae (Aster Family or Daisy Family)
  • Kingdom: Plantae
  • Taxonomic Rank: Species; Subspecies (Deinandra increscens subsp. increscens)
  • Synonyms: Hemizonia increscens, including Hemizonia increscens ssp. villosa Tanowitz.

Distribution and Habitat

  • Endemic to California.
  • Found in central California, including Monterey and Fresno/San Benito Counties.
  • Prefers dry, open hillsides, rocky ridges, grassland, and scrub habitats.
  • Specifically noted in coastal grasslands and sage scrub environments, as well as coastal regions like Vandenberg Air Force Base.

Morphological Characteristics and Growth Habits

  • Annual herb.
  • A plant of type Forb/herb.
  • Soft, hairy, gray-green plant that can grow to be 12-35 inches tall (based on Gaviota tarplant, likely similar).

Ecological Role

  • Found in California grasslands, sometimes among invasive species.
  • Role and habitat in California grassland is a topic of study, particularly relating to perennial grasses and exotic annuals.
  • Virgate tarweed (likely similar ecologically) is not usually considered a weed in natural areas.

Additional Information

  • A dicot.
  • Prefers full sun ("Sole pieno").

Related Species

  • Other Deinandra species include:
    • Deinandra paniculata (also called grassland tarweed or San Diego tarweed)
    • Deinandra corymbosa (Clustered Tarweed, Coastal Tarweed)
    • Deinandra fasciculata
  • Other tarweeds include:
    • Holocarpha virgata (Sticky Tarweed)
    • Hemizonia corymbosa (Coast Tarweed)
    • Hemizonia fitchii (Fitch's Tarweed)
    • Madia elegans (Common Tarweed)
    • Hemizonia congesta (Hayfield Tarweed)
    • Hemizonia arida (Redrock Tarweed)

Resources and Further Information

  • CalPhotos
  • Integrated Taxonomic Information System (ITIS)
  • uBio