Practical
Plants

Jeffersonia dubia

a perennial member of the Jeffersonia genus in the family Berberidaceae.

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Taxonomy and growth

Life cycle
perennial
Growth rate
slow
Height
0.3 m
Spread
0.2 m
Flower type
hermaphrodite

Uses

Medicinal uses

Historical medicinal uses. These records describe reported uses. They do not establish safety or effectiveness. Ask a qualified health professional before using any plant medicinally.

This section contains historical Plants For A Future notes marked noncommercial.

The root is febrifuge and stomachic[6]. It also contains the anti-tumour compound berberine[6].

Product or use
Cancer
Product or use
Febrifuge
Product or use
Stomachic

Environment

Range
E. Asia - N. China to Siberia.
Habitat
Forests[5].
Light
partial sun
Shade tolerance
permanent shade
Water
moderate
Hardiness
Zone 5+
Soil textures
sandy, loamy
Soil pH
acid, neutral, alkaline
Drainage
well drained
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed - best sown as soon as it is ripe in a cold frame[5]. Sow stored seed as soon as possible in late winter or the spring. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in early spring[5].

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

Prefers a peaty or woodland soil and a rather shady situation[1][2]. Suitable for a choice position in a cool leafy soil[3]. This species is hardy to at least -20°c[3]. Plants have an extensive root system and resent disturbance[4]. They should be pot-grown and planted into their permanent positions as soon as possible They should be pot-grown and planted into their permanent positions as soon as possible

References

  1. F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00

    ↩

  2. ? The Plantsman. Vol. 4. 1982 - 1983. Royal Horticultural Society 1982-00-00

    ↩

  3. Phillips. R. & Rix. M. Perennials Volumes 1 and 2. Pan Books 1991-00-00 ISBN 0-330-30936-9

    ↩1↩2

  4. Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. 1990-00-00 ISBN 0-86318-386-7

    ↩

  5. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

    ↩1↩2↩3

  6. Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985-00-00 ISBN 0-917256-20-4

    ↩1↩2

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