Assertion: arnica's oil | /r/HasProperty | obtained
Facets:
value: from roots
type: OTHER
value: from seeds
type: OTHER
value: from flower parts
type: OTHER
value: from rhizomes
type: LOCATION
Source sentences:
text: Volatile oils (0.3% to 1%) may be obtained from rhizomes and roots or from flower parts and are used in perfume.
text: An essential oil is obtained from the root and seeds; it is used as a food flavoring.