Coast Morning Glory
NameCoast Morning Glory
Scientific NameCalystegia purpurata
Common NamesCoast Morning Glory, California Morning Glory, Purple Morning Glory
Plant FamilyConvolvulaceae
Natural HabitatNative to California, this plant thrives in coastal sage scrub, chaparral, woodlands, and disturbed areas, typically at lower elevations.
Parts Usedroot,leaf
Medicinal Actionsanti-inflammatory,diuretic
Traditional UsesTraditionally, various parts of morning glory species, including Calystegia, have been used as strong purgatives to treat constipation. Some indigenous groups may have used poultices of leaves for skin ailments or wounds, and some related species have been noted for diuretic properties.
Active Constituentsresin glycosides
Preparation Methodsinfusion,decoction,poultice
Contraindications & WarningsDue to its strong purgative effects, this plant should be used with extreme caution. It is contraindicated in pregnancy, breastfeeding, and individuals with severe gastrointestinal conditions or children.
Cultivation NotesCoast Morning Glory is an adaptable vine that prefers full sun to partial shade and well-drained soil. It is drought-tolerant once established and can be quite vigorous, often considered a weed in gardens.
Raritycommon
Description
Calystegia purpurata is a perennial herbaceous vine, often sprawling or climbing, with arrow-shaped to heart-shaped leaves. It produces showy, trumpet-shaped flowers that are typically white to pinkish-purple, often with darker veins, and can be up to 5 cm across.
