Assertion: common sunflower | /r/HasProperty | helianthus annus
Facets:
Source sentences:
text: The common sunflower (Helianthus annus) is an annual with many two- to three-inch-wide flowers on branching stems.
text: Although this plant isn’t a ‘true’ sunflower, it looks just like a smaller version of common sunflower, Helianthus Annuus.
text: Both of these are varieties of the common sunflower (Helianthus annus).