Jeffersonia diphylla
(L.) Pers.
Twinleaf
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Summary
Source: WikipediaA slow-growing perennial reaching 0.2 m tall and wide, hardy to UK zone 5. Hermaphrodite flowers bloom in May. Prefers light sandy to medium loamy, well-drained soils across mildly acid to mildly alkaline pH. Thrives in full to semi-shade with consistently moist soil.
Description
A slow-growing perennial reaching 0.2 m tall and wide, hardy to UK zone 5. Hermaphrodite flowers bloom in May. Prefers light sandy to medium loamy, well-drained soils across mildly acid to mildly alkaline pH. Thrives in full to semi-shade with consistently moist soil.
Edible Uses
None known.
Medicinal Uses
The whole plant of Jeffersonia diphylla is antispasmodic, diuretic, emetic, expectorant, and tonic. An infusion is used in the treatment of diarrhoea, dropsy, gravel, and urinary problems. The root is emetic in large doses and expectorant in smaller doses, and contains berberine, which has been shown to have anti-tumour activity. A poultice of the plant is applied to sores, ulcers, and inflamed parts.
Distribution
It is a temperate plant. It suits hardiness zones 5-7.
Where It Grows
Slovenia, USA,
Propagation
Seed is best sown as soon as it is ripe in a cold frame. Stored seed should be sown as soon as possible in late winter or spring. When large enough to handle, prick seedlings into individual pots and grow on in the greenhouse for at least their first winter, then plant out in late spring or early summer after the last expected frosts. Division can be carried out in early spring.
Other Uses
None known.
Synonyms
References (2)
- http://www.botanic-gardens-ljubljana.com/en/plants
- Jackes, D. A., Edible Forest Gardens
