Polygala myrtifolia, the myrtle-leaf milkwort, is an evergreen 2â4 m tall South African shrub or small tree found along the southern and south-eastern coasts, from near Clanwilliam in the Western Cape to KwaZulu-Natal. Other name : Butterfly bush, Sweet pea bush, Polygala à feuilles de myrte, Lechera del cabo, Mirtifoglio, Polygalas.
