Nightblooming False Bindweed
NameNightblooming False Bindweed
Scientific NameCalystegia macrostegia
Common NamesNightblooming False Bindweed, Island False Bindweed, California False Bindweed
Plant FamilyConvolvulaceae
Natural HabitatNative to coastal California and Baja California, thriving in diverse habitats such as coastal sage scrub, chaparral, grasslands, and disturbed areas, often on dry slopes and sandy soils.
Parts Usedroot,whole_plant
Medicinal Actionsdiuretic
Traditional UsesWhile some species within the bindweed family (Convolvulaceae) have been historically used as purgatives or diuretics, specific traditional medicinal uses for *Calystegia macrostegia* are not well-documented or widely recognized. Any internal use is generally not recommended due to potential toxicity.
Active Constituentsresin glycosides, alkaloids
Preparation Methodsdecoction,powder
Contraindications & WarningsDue to the presence of potentially toxic resin glycosides and alkaloids, internal use of *Calystegia macrostegia* is generally contraindicated. It can cause severe gastrointestinal upset, vomiting, and diarrhea. Pregnant or breastfeeding women, children, and individuals with gastrointestinal conditions should avoid use.
Cultivation NotesThis plant is often considered a weed and is easily cultivated. It prefers full sun to partial shade and well-drained soils, exhibiting drought tolerance once established. It can spread vigorously via rhizomes.
Raritycommon
Description
A perennial herbaceous vine or sprawling plant characterized by its large, showy white, trumpet-shaped flowers that typically open in the evening or at night. It features broad, somewhat triangular to hastate green leaves.
