Pentamerous /(?)/

Pen·tam·er·ous

Pentamerous

a.
  1. Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils. (Biol.)
  2. Belonging to the Pentamera. (Zool.)