Coastal Bindweed
NameCoastal Bindweed
Scientific NameCalystegia soldanella
Common NamesCoastal Bindweed, Beach Morning Glory, Seashore Bindweed, Shore Bindweed
Plant FamilyConvolvulaceae
Natural HabitatFound in sandy coastal areas, dunes, beaches, and maritime grasslands, thriving in well-drained, often nutrient-poor soils and tolerant of salt spray.
Parts Usedroot,leaf
Medicinal Actionsdiuretic,anti-inflammatory
Traditional UsesTraditionally, the root has been used as a strong purgative or laxative. Externally, poultices made from the leaves or whole plant were applied to reduce swelling, inflammation, and treat skin conditions.
Active Constituentsresinous glycosides, convolvulin
Preparation Methodsdecoction,poultice
Contraindications & WarningsDue to its strong purgative effects, internal use is generally not recommended and can cause severe cramping and dehydration. It should be avoided by pregnant or breastfeeding women, young children, and individuals with gastrointestinal disorders.
Cultivation NotesThis plant thrives in full sun and well-drained, sandy soils. It is highly tolerant of salt and drought conditions, making it suitable for coastal gardens. It can be invasive due to its vigorous rhizomatous spread.
Raritycommon
Description
A prostrate, perennial herbaceous vine that spreads by rhizomes, forming mats along the ground. It features fleshy, kidney-shaped leaves and showy, trumpet-shaped flowers, typically white to pale pink or lavender, often with darker stripes.
