Tag Archives: Silphium

Know Your Natives – Starry and Wholeleaf Rosinweeds

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

Posted in Know Your Natives, Native Plants, Wildflowers | Tagged , , , | Leave a comment