Bigpod Lady's Nightcap
NameBigpod Lady's Nightcap
Scientific NameCalystegia macrostegia
Common NamesBigpod Lady's Nightcap, Bigpod Morning Glory, Coastal Morning Glory
Plant FamilyConvolvulaceae
Natural HabitatNative to coastal and inland regions of California and Baja California, it thrives in chaparral, coastal sage scrub, and disturbed areas. It prefers well-drained soils and full sun, demonstrating significant drought tolerance.
Parts Usedleaf
Medicinal Actionsanti-inflammatory
Traditional UsesTraditional medicinal uses for *Calystegia macrostegia* are not well-documented in mainstream herbalism. Some related *Calystegia* species have been historically used by indigenous peoples as strong purgatives, often from the root, and occasionally as poultices for skin ailments, where an anti-inflammatory action might be inferred. However, internal use is generally discouraged due to potential toxicity and harsh effects.
Active ConstituentsConvolvulin, flavonoids
Preparation Methodspoultice
Contraindications & WarningsInternal use of *Calystegia macrostegia* is generally not recommended due to the presence of purgative resin glycosides, which can cause severe gastrointestinal distress. Pregnant or nursing women, and individuals with pre-existing gastrointestinal conditions should avoid use. Always consult a qualified healthcare professional before any use.
Cultivation NotesThis plant prefers full sun and well-drained soil, exhibiting excellent drought tolerance once established. It can be propagated from seed or cuttings and adapts to a range of soil types, though it thrives in sandy or rocky conditions. It can be a vigorous grower, sometimes considered weedy in disturbed areas.
Raritycommon
Description
A perennial vine or sprawling shrub, this plant features distinctive silvery-green, often hairy, triangular to heart-shaped leaves. It produces large, funnel-shaped flowers, typically pale lavender to white, with a contrasting yellow throat.
