penstemon

/ˈpɛnstɪmən/
noun
  1. A type of flowering plant with tall stems and bell-shaped flowers, often found in gardens and wild areas of North America.
    • The garden was full of colorful penstemons in shades of red, purple, and pink.
    • Penstemons attract hummingbirds and bees with their tubular flowers.
    • She planted a row of penstemons along the sunny side of the house.