Tag Archives: Rosinweeds

Know Your Natives – Starry and Wholeleaf Rosinweeds

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Are They Sunflowers? Rosinweeds (Silphium species) and sunflowers (Helianthus species) are in the Asteraceae (Aster) Family.  Rosinweeds and sunflowers are herbaceous perennials with yellow composite flowers (ray florets with strap-shaped petals, disk florets with petals fused into small tubes) on … Continue reading →

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