Having two fringe-like or hair-like edges or margins, often used in botany to describe leaves or plant structures.
From Latin 'bi-' (two) plus 'laciniae' (fringe or jagged edge); a specialized botanical term describing plant structures with dual fringed or deeply cut borders.
Some ferns and seaweed have bilaciniate structures that increase their surface area for absorbing water and light—nature's way of creating maximum exposure with minimum material.
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