Steinmetz:Ipomoea

Ipomoea purga

Also known as (or relevant to) Ipomoea purga Ipomoea jalapa Convolvulus purga Convolvulus jalapa Exogenium purga Exogonium jalapa Family Convolvulaceae English Names Jalap Bindweed Natural Habitat Mexican Andes (especially Vera Cruz) Brazil Tampico Jamaica Ceylon Northern India Part(s) Used Tubera Jalapae Resina Jalapae

Constituent(s) resin starch uncrystallizable sugar mannitol gum methyl-aesculetin convolvulin (jalapin) acids Action root; purgative hydragogue-cathartic; resin: cathartic P. S. The dried root of Piptostegia pisonis known as Brazilian Jalap is used as a substitute and not recognized for official use The dried tubercles of Ipomoea simulans (Tampico Jalap) are also used as a substitute

Links

• Information in Von Esenbeck's book

Ipomoea batatas

Also known as (or relevant to) Ipomoea batatas Convolvulus batatas Family Convolvulaceae English Names Sweet Potato Spanish Potato Natural Habitat Southern Europe North and Central America tropical and subtropical countries China Part(s) Used Amylum Batatae

Constituent(s) resin starch sugar albuminoids carbohydrates Action alterative tonic demulcent aphrodisiac nutritive

Ipomoea orizabensis

Also known as (or relevant to) Ipomoea orizabensis Family Convolvulaceae English Names Mexican Scammony Otizaba Jalap Woody Jalap Orizaba Morning Glory Natural Habitat Eastern Mexico Part(s) Used Radix Scammoniae mexicanae = Radix Orizabae = Radix Jalapae levis Resins Scammoniae (obtained from the milky juice of the root)

Constituent(s) resin (jalapin) gum scammonin scopoletin starch Action root: powerful purgative toxic; resin; cathartic toxic

Links

• Information in Von Esenbeck's book

Ipomoea turpethum

Also known as (or relevant to) Ipomoea turpethum Family Convolvulaceae English Names Turpeth Indian Jalap Natural Habitat India Australia Part(s) Used Radix Turpethi Cortex radicis Turpethi

Constituent(s) essential oil jalapin resin (known as turpenthin) Action laxative vermifuge The rootbark resembles Radix Jalapae closely in its action There are two varieties white and black White Turpith is in use as cathartic and laxative. Black Turpeth is drastic in action like Black Hellebore and therefore not in common use