Assertion: carnivorous plant's trapping mechanism | /r/HasProperty | mechanical
Facets:
value: purely
type: DEGREE
Source sentences:
text: The trapping mechanism of Utricularia is purely mechanical; no reaction from the plant (irritability) is required in the presence of prey, in contrast with the triggered mechanisms employed by Venus flytraps (Dionaea), waterwheels (Aldrovanda), and many sundews (Drosera).