Resembling or having the texture of leather; tough and leathery.
From Latin 'coriaceus' (of leather), from 'corium' (hide/leather). Used in botany for thick, leathery leaves that resist drought.
Leathery! Some leaves are coriaceous — tough as a leather jacket! It's how plants survive deserts: make your leaves so thick and tough that water can't escape! Botanical armor! 🍃🛡️
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