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San Clemente Island Indian paintbrush
Scientific Name: Castilleja grisea
Family: Scrophulariaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names: CA (San Clemente Island Indian paintbrush)
San Clemente Island Indian Paintbrush (Castilleja grisea)
The Castilleja grisea, commonly known as the San Clemente Island Indian Paintbrush, is a rare and unique plant found only on San Clemente Island, California.
Considerations for Pets
- Mentioned as growing in clumps, which could be tempting for animals to investigate.
- Grazing and trampling by feral goats and pigs have impacted its population in the past.
Considerations for Children
- Mentioned as growing in clumps, which could be tempting for children to investigate.
Taxonomy and Nomenclature
- Scientific Name: Castilleja grisea Dunkle
- Common Name: San Clemente Island Indian Paintbrush
- Synonym: Castilleja hololeuca ssp. grisea (Dunkle) Munz
- Taxonomic Rank: Species
Distribution and Habitat
- Endemic to San Clemente Island, one of the Channel Islands of California.
- San Clemente Island is technically part of Los Angeles County but owned by the Navy.
Ecological Role
- The San Clemente Island Indian Paintbrush is classified as endangered in California and is on the U.S. Endangered Species List.
- Populations declined due to grazing and trampling by feral goats and pigs.
Morphological Characteristics and Growth Habits
- Described as a subshrub forb/herb.
- Its duration is perennial.
Interactions with Other Organisms
- Federally threatened sage sparrows have been observed flitting between clumps of the plant.
Further Information
- BISON Web Link: http://bison.usgs.ornl.gov/api/scientificName/Castilleja%20grisea
- ITIS Web Link
- Discover Life page about the biology, natural history, ecology, identification, and distribution of Castilleja grisea.