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coastal larkspur

Scientific Name: Delphinium decorum

Family: Ranunculaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Delphinium hesperium (Foothill Larkspur)

Delphinium hesperium, commonly known as foothill larkspur, is a perennial herb found in various regions. It is also referred to as western larkspur and coastal larkspur.

Considerations for Pets

  • While not explicitly stated, the mention of "larkspur" may warrant caution, as some larkspur species are known to be toxic to animals. Always consult with a veterinarian or animal expert for definitive information about this specific species' potential toxicity.

Considerations for Children

  • As with pets, the general knowledge of larkspur species warrant caution as some are poisonous if ingested. Always consult with a poison control expert before ingesting larkspur or any plants you are unsure about.

Taxonomy and Nomenclature:

  • Scientific Name: Delphinium hesperium
  • Common Names: Foothill larkspur, western larkspur, coastal larkspur, yellowtinge larkspur
  • Family: Ranunculaceae (Buttercup Family)
  • Synonyms: Delphinium decorum Fisch. &amp C.A. Mey.
  • Subspecies: Delphinium decorum Fisch. &amp C.A. Mey. subsp. decorum, Delphinium decorum Fisch. &amp C.A. Mey. ssp. tracyi Ewan
  • USDA Symbol: DEDE

Distribution and Habitat:

  • Delphinium hesperium is endemic to California.
  • It grows on coastal bluffs, spring-wet grasslands, meadows, and lower mountain slopes.
  • Specifically mentioned locations include Marin County, Monterey County, and the Pine Ridge Trail in Big Sur.

Morphological Characteristics:

  • The plant is described as having an erect, hairy stem reaching approximately 1/2 meter in height.

Ecology:

  • It can be confused with D. nuttallianum, which is more widespread east of the Sierra Nevada mountains.
  • The species has been found to hybridize with the blue-flowered coastal larkspur.

Further Information:

  • Discover Life provides a page about the biology, natural history, ecology, identification, and distribution of Delphinium decorum (Coastal larkspur).
  • The Marin Flora is mentioned as a source of information regarding hybridization.