monandrous

adjective
mo·​nan·​drous | \ -rəs\

Definition of monandrous

1 [ mon- + -androus ]

a of a plant : having flowers with a single stamen many orchids are monandrous
b of a flower : having a single stamen
2 [ Greek monandros, from mon- + -andros having (such or so many) men ] : of, relating to, or characterized by monandry a monandrous family system