The Columbia Encyclopedia, Sixth Edition. 2001-07.
rose of Sharon
common name for several plants, especially Hibiscus syriacus, of the family Malvaceae (mallow family), and for St.-Johns-wort, i.e., any species of the genus Hypericum of the family Hypericaceae (St.-Johns-wort family). The Malvaceae are classified in the division Magnoliophyta, class Magnoliopsida, order Malvales. The Hypericaceae are similarly classified, but in the order Theales.