• Ptyxis

    Origin

    From New Latin ptyxis, from Ancient Greek πτύξις (ptuksis, "a folding")

    Full definition of ptyxis

    Noun

    ptyxis

    (uncountable)
    1. (botany) The way in which an individual leaf is folded in the bud.

    Usage notes

    The arrangement of several leaves is called vernation or prefoliation

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