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Inyo County star-tulip

Scientific Name: Calochortus excavatus

Family: Liliaceae

Category: Monocot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Inyo County Star-Tulip: A Rare Lily of California

The Calochortus excavatus, commonly known as the Inyo County star-tulip, is a captivating flowering plant belonging to the lily family.

Taxonomy and Nomenclature

  • Scientific Name: Calochortus excavatus E. Greene
  • Common Names: Inyo County star-tulip, Inyo mariposa lily, Owens Valley Mariposa, Inyo Mariposa.
  • Kingdom: Plantae
  • Taxonomic Rank: Species
  • Synonyms: The text mentions "Calochortus excavatus Greene (1890)" which can be considered a synonymous citation.

Distribution and Habitat

  • Calochortus excavatus is endemic to California, specifically found in Inyo and Mono Counties. It is considered a rare and endangered plant in these regions.

Ecological Role

  • The Inyo County star-tulip's habitat is closely monitored, particularly in relation to water management and its co-occurrence with other species like the Owens Valley checkerbloom (Sidalcea covillei). It is endangered by the disappearing river.

Morphological Characteristics

  • Stems are slender and not branching, reaching 1-3 dm in height.
  • Basal leaves are usually persistent, with linear blades measuring 1-2 dm.
  • Inflorescences are subumbellate, typically bearing 1-4 flowers.

Interactions with Other Organisms

  • Mule deer and songbirds are mentioned in proximity to the plant, implying potential interactions, though the exact nature isn't specified.

Conservation Status

  • The plant is listed as a rare and endangered species and is tracked by the CNPS (California Native Plant Society) as List 1B.1 and the Federal Species.

Further Information

  • USDA Plants Profile provides additional details.
  • CalPhotos Photo gallery, University of California, offers visual resources.
  • Discover Life has a page about the biology, natural history, ecology, identification, and distribution.
  • Garden Guides provides information on how to grow this plant.