anthesis /an-thēˈsis/ (botany)

1. The opening of a flower-bud
2. The lifetime of a flower from opening to setting of seed

• pestled
• pestles
• pestling
• pesto
• pestological
• pestologies
• pestologist
• pestologists
• pestology
• pestos
• pests
• pet
• PET
• Pet.
• peta-
• PETA
• Peta
• petaflop
• petaflops
• petal
• petaliferous
• petaline
• petalism
• petalisms
• petalled