Ptelea crenulata

Ptelea crenulata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Ptelea
Species:
P. crenulata
Binomial name
Ptelea crenulata
Natural range
Synonyms

P. trifoliata var. crenulata

Ptelea crenulata, commonly known as the California hoptree,[2] is a species of tree that is endemic to the state of California in the United States. It is found in the western Sierra Nevada and southern Cascade Range foothills, the northern California Coast Ranges, and the San Francisco Bay Area.[3][4][5]

The plant grows in chaparral and woodland habitats.[5] It is cultivated by specialty California native plant nurseries as an ornamental plant for use as a shrub or small tree in water-conserving gardens, natural landscaping design, and habitat restoration projects.[6][7]

Seedlings of Ptelea crenulata grow better in dry soil than in standing water, showing how well the species is adapted to California’s warm, dry climate.[8] It also tends to have smaller leaves than its eastern relatives, a difference linked to growing in drier environments.[9] The flowers give off a strong citrus-like scent that comes from natural compounds such as ethyl benzoate and estragole.[10]

References

  1. ^ "Ptelea crenulata". Integrated Taxonomic Information System. Retrieved 2012-05-03.
  2. ^ NRCS. "Ptelea crenulata". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 15 October 2015.
  3. ^ USDA—Ptelea crenulata. Accessed 8.20.2011
  4. ^ Calflora.org: Ptelea crenulata. Accessed 8.24.2011
  5. ^ a b UC: Jepson Manual treatment for PTELEA crenulata . accessed 8.20.2011
  6. ^ UC: Jepson Horticultural Database for Ptelea crenulata. Accessed 8.20.2011
  7. ^ CNPLX: Ptelea crenulata—Nursery and Seed Sources . accessed 8.20.2011
  8. ^ Peterson, B. J., & Graves, W. R. (2013). Responses to root-zone water content of shrub congeners from eastern North America and Mediterranean California. HortScience, 48(6), 715–719. https://doi.org/10.21273/HORTSCI.48.6.715
  9. ^ Skornia, E., Yang, M., & Applequist, W. L. (2015). Phenetic analyses and revised classification of the Ptelea trifoliata complex (Rutaceae). Western North American Naturalist, 75(4), 406–428. https://doi.org/10.3398/064.075.0401
  10. ^ Stewart, A. J., Boylston, T., Wilson, L., & Graves, W. R. (2022). Floral aromatics of Ptelea: Chemical identification and human response. Journal of the American Society for Horticultural Science, 147(1), 25–34. https://doi.org/10.21273/jashs05119-21

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