Bipinnatus
/by-pin-AH-tus/🏷️ Taxonomy●● Intermediate
Also known as: bipinnata, bipinnatum
A leaf structure epithet describing a doubly compound leaf — where the leaflets of a pinnate leaf are themselves divided into further leaflets. Bipinnate leaves have a fine, ferny texture. Appears as bipinnatus (masculine), bipinnata (feminine), or bipinnatum (neuter).
Etymology
From Latin bi- (twice) + pinnatus (feathered), meaning "twice feathered" or "doubly pinnate."
Example
“Cosmos bipinnatus is named for its finely divided, doubly-pinnate foliage — the feathery texture that makes its daisy flowers appear to float above an airy green cloud.”