
Peirson's morning-glory
NamePeirson's morning-glory
Scientific NameCalystegia peirsonii
Common NamesPeirson's morning-glory, Peirson's false bindweed
Plant FamilyConvolvulaceae
Natural HabitatNative to California, this plant is found in chaparral, oak woodlands, and open grassy areas. It typically thrives on dry slopes and in sandy or gravelly soils.
Parts Used
Medicinal Actions
Traditional UsesWhile some related morning-glory species have been historically used as strong purgatives, there are no widely documented traditional medicinal uses specifically for Peirson's morning-glory.
Active ConstituentsCalystegines
Preparation Methods
Contraindications & WarningsInternal use of Peirson's morning-glory is generally not recommended due to the presence of calystegines and the potential for strong purgative effects or toxicity, which are common in related species. It should be avoided by pregnant or nursing women, children, and individuals with gastrointestinal disorders.
Cultivation NotesThis plant prefers full sun to partial shade and well-drained, dry to moist soils. It is drought-tolerant once established and can be propagated from seed or cuttings.
Rarityrare
Description
Peirson's morning-glory is a perennial herbaceous vine, often sprawling or climbing, characterized by its arrow-shaped to hastate leaves. It produces showy, funnel-shaped flowers that are typically creamy white to pale yellow, often with a greenish or yellowish throat, emerging from prominent bracts.





