anthesis
\an-THEE-sis\
noun
1. Botany. the period or act of expansion in flowers, especially the maturing of the stamens.
Quotes
During anthesis, the avocado tree is sensitive to temperature which can severely disrupt the dichogamy mechanism.
-- Bruce Schaffer, Peter C. Andersen, Handbook of Environmental Physiology of Fruit Crops, Volume 2, 1994
Origin
Anthesis is a New Latin construction that entered English in the 1800s. Its roots lie in the Greek ánthēsis meaning "bloom."
Dictionary.com
