Definition of marcescent in English:

marcescent

adjective

Botany
  • (of a leaf or frond) withering but remaining attached to the stem.

    • ‘Several trees normally have marcescent leaves such as oak (Quercus), beech (Fagus) and hornbeam (Carpinus).’
    • ‘After tertiary capitula ripened, cauline leaves senesced and remained marcescent on the stems.’
    • ‘There seems to be no evidence that marcescent leaves provide additional cold protection.’

Origin

Early 18th century: from Latin marcescent- beginning to wither, from marcere wither.

Pronunciation:

marcescent

/mɑːˈsɛs(ə)nt/