withering but not falling off, as a part of a plant.
Origin of marcescent
1720–30; < Latin marcēscent-, stem of marcēscēns (present participle of marcēscere to wither, shrivel), equivalent to marc(ēre) to wither + -ēscent- -escent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of the parts of certain plants) remaining attached to the plant when withered
Word Origin for marcescent
C18: from Latin marcescere to grow weak, from marcēre to wither
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"withering," 1727, from Latin marcescentem (nominative marcescens), present participle of marcescere "to wither, languish, droop, decay, pine away," inchoative of marcere "to wither, droop, be faint," from PIE root *merk- "to decay."
Online Etymology Dictionary, © 2010 Douglas Harper
Withering but not falling off, as a blossom that persists on a twig after flowering. Many oaks have marcescent foliage that stays on the tree through winter.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.