Assertion: annual sunflower | /r/HasProperty | annuus
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Source sentences:
text: Annual sunflowers (Helianthus annuus), with their large round flower heads and outer petals that radiate from their center flower like sun rays, earned their descriptive name because they resemble the sun.
text: Annual sunflowers (Helianthus annuus) are common plants that bear huge, rounded blooms with black centers atop 6- to 10-foot stems.
text: When you think of sunflowers, you're probably thinking of the large, happy yellow faces of the common annual sunflower (Helianthus annuus).
text: For example, most annual sunflowers (Helianthus annuus) require 60 to 100 days to complete their growth cycle.
text: Annual sunflowers (Helianthus annuus), bright, cheerful garden flowers, peek over garden walls and rise up among nearby perennials and annuals.