SafePlants

Calochortus persistens: Siskiyou Mariposa Lily

Calochortus persistens, commonly known as the Siskiyou mariposa lily, is a rare and beautiful flowering plant belonging to the lily family (Liliaceae).

Considerations for Pets

• As a bulbous herb, the Siskiyou mariposa lily grows from a bulb, which may present a digging hazard for some pets.

Taxonomy and Nomenclature

• Scientific Name: Calochortus persistens Ownbey
• Common Name: Siskiyou mariposa lily
• Family: Liliaceae (Lily Family)
• Rank: Species

Distribution and Habitat

• Native to California and Oregon, specifically in the Klamath and Siskiyou counties.
• Found in rocky, acidic lower montane environments.

Ecological Role

• The Siskiyou mariposa lily is listed as a "rare" species under the California Native Plant Protection Act, highlighting its vulnerable status.
• The plant is considered a candidate for listing under the Endangered Species Act.
• Invasive weeds pose a threat to Yreka phlox populations in the region.

Morphological Characteristics

• It is a perennial herb (forb) that grows from a bulb.

Quirky Facts

• The genus name Calochortus comes from the Spanish word for butterfly (Mariposa). The Siskiyou Mariposa Lily is also called Butterfly Lily.

Conservation Status

• Many Calochortus lilies are rare and protected due to declining numbers.
• Active conservation efforts are underway, including chemical treatment of invasive weeds and monitoring populations.

Additional Information

• Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Calochortus persistens.
• The Lady Bird Johnson Wildflower Center provides resources on North America's native plants.