meadow pink
/ˈmɛdəʊ pɪŋk/noun
1 United States regional. Any of several plants bearing pink flowers, especially (a) the swamp azalea, Rhododendron viscosum; (b) ( Texas ) the prairie rose gentian, Sabatia campestris (family Gentianaceae).
2The maiden pink, Dianthus deltoides. rare.
Origin
Mid 17th century (in an earlier sense). From meadow + pink.