Meaning of pennation | Babel Free

Definitions

The presence of pennate features

Examples

“These females differ from all other Palaearctic Pararhamphomyia by the following combination of characters: body entirely dark setose, dorsocentrals almost regularly uniserial, halter yellow, clypeus lustrous, both mid and hind femora broadly pennate, tibiae without pennation and abdomen lustrous except the first segment.”

CEFR level