British spelling: covered with or treated with cutin; having undergone the process of cutin formation.
From cutinise (British form of cutinize) plus the past tense/adjective suffix -ed. Common in British botanical and agricultural scientific writing.
A cutinised leaf is essentially waterproofed—it's one of nature's earliest innovations in protecting organisms from their environment, which is why this process evolved over 450 million years ago!
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