Relating to or belonging to the plant family Elaeagnaceae; having characteristics of oleaster or silverberry plants.
From 'Elaeagnaceae' + '-ous' suffix forming adjectives. This describes plants or characteristics belonging to this family.
When a plant is described as elaeagnaceous, you know it likely has those distinctive silvery leaves caused by tiny scales covering the leaf surface—an adaptation to reflect harsh sunlight and reduce water loss.
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