frondescence

frondescence (uncountable)

1. (botany) The time at which a plant unfolds its leaves.
2. The act of bursting into leaf.
   • 1848, George Luxford, Edward Newman, The Phytologist: A Popular Botanical Miscellany:

     Oaks putting forth young leaves this day , and frondescence everywhere apparent, except on ash - trees and black poplars

• “frondescence”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.