Phacelia campanularia

Phacelia campanularia is a species of flowering plant in the borage family, Boraginaceae, known by the common names desertbells,[2] desert bluebells,[3] California-bluebell,[4] desert scorpionweed,[5] and desert Canterbury bells.[6] Its true native range is within the borders of California,[3][7][5] in the Mojave and Sonoran Deserts, but it is commonly cultivated as an ornamental plant and it can be found growing elsewhere[8] as an introduced species.

Phacelia campanularia

Vulnerable  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Phacelia
Species:
P. campanularia
Binomial name
Phacelia campanularia

Description

This annual herb has an erect stem reaching 0.7 metres (2.3 ft) in maximum height. It is covered in glandular hairs. The leaf blades are somewhat rounded with toothed edges. The inflorescence is a loose cyme of flowers. The flower has a bright blue corolla up to 4 centimeters long which can be bell-shaped, funnel-shaped, or round and flattened. It can have white spots in the throat. The protruding stamens and style can be 4.5 centimeters long. The fruit is a capsule up to 1.5 centimeters long.[9] It grows in dry, sandy places below 4,000 feet (1,200 m).[6]

Taxonomy

Two subtaxa are usually recognized, called subspecies[3] or varieties.[9] They can intergrade in some areas.[9]

  • Phacelia campanularia ssp. campanularia – limited to the Sonoran Desert
  • Phacelia campanularia ssp. vasiformis – more common, with a wider range, and sometimes with larger flowers

Chemistry

The anthocyanin pigment phacelianin was isolated from the flowers of this species and is involved in the formation of their blue color. It is also responsible for the blue of the flowers of Evolvulus pilosus.[10]

The juice, sap, or hairs may cause irritation or a skin rash and should be washed from skin as soon as possible.[11]

Wikimedia Commons has media related to Phacelia campanularia.
Wikispecies has information related to Phacelia campanularia.
  • Form
    Form
  • Seedlings
    Seedlings
  • Flower
    Flower
  • ssp. vasiformis
    ssp. vasiformis

References
  1. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2 May 2022.
  2. USDA, NRCS (n.d.). "Phacelia campanularia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 31 January 2016.
  3. Phacelia campanularia. Calflora.
  4. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.
  5. "NatureServe Explorer 2.0". explorer.natureserve.org.
  6. Phacelia campanularia. Lady Bird Johnson Wildflower Center. University of Texas at Austin.
  7. "Phacelia campanularia". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 12 January 2018.
  8. Phacelia campanularia. USDA PLANTS.
  9. Phacelia campanularia. The Jepson Manual.
  10. Mori, M., et al. (2006). Structure of anthocyanin from the blue petals of Phacelia campanularia and its blue flower color development. Phytochemistry 67(6), 622-29.
  11. "Toxic Plants (by common name)". Safe and Poisonous Garden Plants. University of California. Retrieved 10 November 2020.


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