Assertion: sunflower's head | /r/CapableOf | track the sun's movement
Facets:
Source sentences:
text: A distinguishing quality of the sunflower is that its flowering head tracks the sun's movement.
text: The entire head may move tracking the sun, like a "smart" solar panel, which maximizes reflectivity of the whole unit and can thereby attract more pollinators.
text: The most distinguishing feature of the sunflower is that its flowering head tracks the sun’s movement.
text: A well-known sunflower characteristic is that the flowering heads track the sun's movement, a phenomenon known as heliotropism.