Definition of caducous in English:

caducous

adjective

Botany
  • (of an organ or part) easily detached and shed at an early stage:

    ‘poppies have caducous sepals that are shed after the bud has opened’
    • ‘It had aseptate hyphae and sporangia were papillate, both caducous and non-caducous, and their shape ranged from ovoid to elongate and distorted.’
    • ‘Reproduction and dispersion are doubtless accomplished by the caducous branchlets.’
    • ‘He states that the verification of the occurrence of bracteoles could be useful, because there is a tendency to use ‘absent’ for ‘caducous’, which could lead to erroneous conclusions.’
    • ‘In the poppy family, the sepals are caducous.’
    • ‘The caducous trees prevail, such as ñire, lenga, rauli and pellín oak, although there are also perennial trees such as cypress, and canas, rushes, etc.’

Origin

Late 17th century (in the sense ‘epileptic’): from Latin caducus liable to fall (from cadere to fall) + -ous.

Pronunciation:

caducous

/kəˈdjuːkəs/