Claim · model-written summary
Camphor became more abundant in late summer and fall.
- Taxon
- Artemisia californica
Artemisia californicae1 - Outcome
- camphore0
- Direction
- more abundante0
- Qualifier
- late summer and falle0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“camphor becomes more abundant in late summer and fall.”
e1“Artemisia californica”
Title
Toxic Terpenes from Artemisia Californica
J. Pat Halligan Ecology 1975. doi:10.2307/1936312
Other claims from this paper (9)
- Observation Five terpenoids occurred in major amounts in Artemisia oil.
- Observation Camphor was the most toxic major terpenoid.
- Observation Artemisia ketone was the least toxic.
- Observation Minor terpenoids included beta-pinene, borneol, and caryophyllene.
- Observation Minor terpenoids were intermediate in toxicity.
- Observation Essential oil amount and composition varied seasonally.
- Observation More oil was extractable in fall than winter.
- Observation Isothujone largely replaced alpha-thujone in late summer and fall.
- Observation Soil and litter in stands contained many of the same volatiles as foliage.