Jalap
Ipomoea jalapa
Family: Convolvulaceae
What it is like
Ipomoea jalapa is an evergreen Climber growing to 3 m (9ft 10in). The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
Height (m): 3
Where it is found
Woodland on the eastern slopes of the Mexican Andes.
Southern N. America - Mexico.
Conservation Status:
Countries/locations it is found in
How it is used
Food
Rating: 0
Medicine
Rating: 3
The tuber is a resinous acrid herb with an unpleasant taste that is often used as a purgative. It is taken internally in the treatment of constipation, colic and intestinal parasites. The root is harvested in the autumn and dried for later use.
Other
Rating:
How it is grown
Requires a well-drained humus-rich soil in a sunny position. This species is not very frost tolerant, though it might be possible to grow it outdoors in a very sheltered position in the mildest areas of Britain. Either cut the plant back or thin out the shoots in the spring. 218245
Propagating it: Seed - sow spring in a greenhouse. Semi-ripe cuttings in the summer.
Best place to grow: Woodland Garden Sunny Edge;
Habit: Climber
Hardiness:
Growth:
Soil: Light (sandy), medium, heavy (clay)
Shade: Semi-shade, no shade
Moisture: Moist
Things to keep in mind
Its other names
Local names
Synonyms
I. purga.