Assertion: sunflower's flower | /r/HasAspect | root systems
Facets:
value: among them
type: OTHER
value: like all land-based plants
type: OTHER
Source sentences:
text: Like all land-based plants, flowers have root systems that evolved as extremely efficient mechanisms for pulling nutrients, water, and minerals out of the ground, among them: zinc, copper, and other radioactive elements that are then stored in their stems and leaves.