Relating to or resembling an arbuscule; branching in a tree-like pattern, especially describing fungal structures within plant roots.
From Latin 'arbuscula' (small tree) plus -ar suffix. Commonly used in mycology to describe the branching morphology of arbuscular mycorrhizal fungi.
Arbuscular mycorrhizal fungi are the hidden partners in 90% of flowering plants—they're so ancient and essential that plants and fungi co-evolved together, and we're only now understanding how crucial they are for global agriculture.
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