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bigflower agoseris

Scientific Name: Agoseris grandiflora

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Agoseris grandiflora: A Closer Look

Agoseris grandiflora, commonly known as California dandelion, bigflower agoseris, grassland agoseris, or large-flower false-dandelion, is a captivating flowering plant native to western North America.

Considerations for Pets

  • This plant is sometimes referred to as goat-chicory.
  • Chicks are known to eat the leaves of Agoseris species.

Considerations for Children

  • The plant produces achenes with long, thin beaks.

Taxonomy and Nomenclature

  • Scientific Name: Agoseris grandiflora (Nutt.) E. Greene
  • Family: Asteraceae (Daisy family)
  • Division: Angiosperms (Flowering Plants) - Anthophyta
  • Class: Dicots
  • Synonyms:
    • Agoseris grandiflora var. grandiflora
    • Agoseris grandiflora var. leptophylla G. I. Baird
  • Common Names: California dandelion, bigflower agoseris, grassland agoseris, large-flower false-dandelion, large-flower goat-chicory, grand mountain dandelion, mountain dandelion, Puget Sound agoseris.

Distribution and Habitat

  • Agoseris grandiflora is native to western North America, ranging from British Columbia south to California, and east to Idaho and Nevada and Utah.
  • It thrives in various habitats, including thin-soiled upland prairies and rocky balds.

Morphological Characteristics

  • It is a perennial plant typically reaching one to three feet in height.
  • It features a large rosette of cut-leaves.
  • The plant produces leafless flower stalks about 20-40 cm tall.
  • It has dandelion-type flowers that close by.
  • Flowers are solitary and large, with a many-flowered involucre 1.5-4 cm high, its outer bracts broad and short.
  • It grows from a big vertical taproot.

Quirky Facts

  • The achenes (seeds) taper gradually to a long, thin beak.
  • Some consider the plant a wild, edible and nutritious food.

Interactions with Other Organisms

  • It is considered a bee-friendly flower.

Further Information

  • USDA NRCS Idaho Plant Materials Program
  • CalPhotos (Gary A. Monroe)
  • Great Basin Native Plant Project
  • MSU Herbarium, Dept of Plant Sciences and Plant Pathology