penninerved
/ˈpɛnɪnəːvd/Botany
adjective
Of a leaf: having veins arising on each side of a midrib like barbs from the shaft of a feather; pinnately veined.
Origin
Mid 19th century; earliest use found in John Balfour (1808–1884), botanist. From classical Latin penni-, combining form of penna feather + nerve + -ed, after either French penninerve or scientific Latin penninervis.