Having bluish-green or grayish-green leaves, as seen in certain plants that have a waxy coating called a bloom.
From Greek glaukos 'bluish-green' + phyllon 'leaf'. The term describes the visual appearance of leaves with a distinctive pale or bluish tint.
Many desert plants like cabbage and eucalyptus have leaves coated with a waxy powder that makes them look blue-gray—it's actually a clever sun protection trick that makes them fancy-looking as a bonus.
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