monandrous

adjective

1. of, relating to, or characterized by monandry.
2. Botany.
   1. (of a flower) having only one stamen.
   2. (of a plant) having such flowers.

adjective

1. having or preferring only one male sexual partner over a period of time
2. (of plants) having flowers with only one stamen
3. (of flowers) having only one stamen