tepal

/ˈtɛpəl/
noun
  1. A part of a flower that looks like a petal or a sepal, found in flowers where the petals and sepals look the same.
    • Lilies have six tepals that are all colorful and similar in shape.
    • When a flower's sepals and petals are identical, each one is called a tepal.
    • The tulip's bright red tepals open wide in the spring sunshine.