plant genus - a genus of plants

family Polemoniaceae, phlox family, Polemoniaceae - a widely distributed family of chiefly herbaceous plants of the order Polemoniales; often have showy flowers

phlox - any polemoniaceous plant of the genus Phlox; chiefly North American; cultivated for their clusters of flowers

chickweed phlox, Phlox bifida, Phlox stellaria, sand phlox - low mat-forming herb of rocky places in United States