pəˈrijənəs adjective
Etymology: New Latin perigynus, from peri- + -gynus -gynous
1. : borne on a ring or cup of the receptacle surrounding a pistil
perigynous petals
perigynous stamens
2. : having stamens and petals borne on a ring or cup of the receptacle surrounding a pistil and usually adnate to the calyx although appearing to be situated upon it — compare epigynous