In botany, having two pairs of leaflets or lobes; similar to bijugate, describing leaves with a bilateral paired structure.
From Latin bi- (two) combined with jugum (pair or yoke) and the suffix -ous (possessing the quality of), a botanical term developed in the 18th-19th centuries.
Botanists developed incredibly precise vocabulary to describe leaf patterns because those patterns are fingerprints for plant identification—knowing if a leaf is bijugous can identify species instantly!
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