Assertion: fern's frond | /r/CapableOf | turn yellow
Facets:
value: between the veins
type: LOCATION
value: at the tips
type: LOCATION
Source sentences:
text: Resilient to some drought, the fronds will turn yellow and brown at the tips if soil becomes too dry for an extended period or if light intensity is too strong.
text: If the lower fronds are turning yellow between the veins, it may need more magnesium.