Assertion: angiosperm's seed | /r/CapableOf | receive chemical signals
Facets:
value: in the soil
type: LOCATION
value: to trigger germination
type: PURPOSE
Source sentences:
text: For example, the seeds of witchweed (Striga asiatica) need to be within 3 to 4 millimeters (mm) of its host to receive chemical signals in the soil to trigger germination.