Polygala tenuifolia
Willd.
Polygalaceae
The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Yuan Zhi
General Information
Polygala tenuifolia is a perennial plant that can grow up to 0.25 metres tall.
It is harvested from the wild for local use as a food and medicine
Known Hazards
Although no specific mention has been seen for this species, at least one member of this genus is said to be poisonous in large quantities.
Botanical References
266- Title
- Flora of China
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/china/
- Publisher
- Missouri Botanical Garden Press; St. Louis.
- Year
- 1994
- ISBN
-
- Description
- An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
Range
E. Asia - China, Korea, Mongolia, Manchuria.
Habitat
Hillsides, roadsides and meadows[
147- Title
- A Barefoot Doctors Manual.
- Publication
-
- Author
- ?
- Publisher
- Running Press; Philadelphica.
- Year
- 1977
- ISBN
- 0-914294-92-X
- Description
- A very readable herbal from China, combining some modern methods with traditional chinese methods.
]. Dry meadows and stony slopes[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
Properties
| Edibility Rating |  |
| Medicinal Rating |  |
| Habit | Perennial |
| Height | 0.25 m |
| Cultivation Status | Wild |
Cultivation Details
Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
,
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. Dislikes shade according to another report.
Plants are hardy to at least -15°c[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
Edible Uses
Young leaves - cooked[
105- Title
- Tanaka's Cyclopedia of Edible Plants of the World.
- Publication
-
- Author
- Tanaka. T. & Nakao S.
- Publisher
- Keigaku Publishing; Tokyo
- Year
- 1976
- ISBN
- -
- Description
- The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
,
177- Title
- Plants for Human Consumption.
- Publication
-
- Author
- Kunkel. G.
- Publisher
- Koeltz Scientific Books
- Year
- 1984
- ISBN
- 3874292169
- Description
- An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
,
179- Title
- Famine Foods listed in the Chiu-Huang Pen-ts'ao.
- Publication
-
- Author
- Reid. B. E.
- Publisher
- Southern Materials Centre; Taipei
- Year
- 1977
- ISBN
- -
- Description
- A translation of an ancient Chinese book on edible wild foods. Fascinating.
].
Root - cooked[
105- Title
- Tanaka's Cyclopedia of Edible Plants of the World.
- Publication
-
- Author
- Tanaka. T. & Nakao S.
- Publisher
- Keigaku Publishing; Tokyo
- Year
- 1976
- ISBN
- -
- Description
- The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
,
177- Title
- Plants for Human Consumption.
- Publication
-
- Author
- Kunkel. G.
- Publisher
- Koeltz Scientific Books
- Year
- 1984
- ISBN
- 3874292169
- Description
- An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
]. The core is removed and the root is boiled in several changes of water[
179- Title
- Famine Foods listed in the Chiu-Huang Pen-ts'ao.
- Publication
-
- Author
- Reid. B. E.
- Publisher
- Southern Materials Centre; Taipei
- Year
- 1977
- ISBN
- -
- Description
- A translation of an ancient Chinese book on edible wild foods. Fascinating.
].
Medicinal
Yuan Zhi contains triterpenoid saponins, these promote the clearing of phlegm from the bronchial tubes. The plant is used mainly as an expectorant and stimulant to treat bronchial asthma, chronic bronchitis and whooping cough[
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
].
The root is antibacterial, cardiotonic, cerebrotonic, expectorant, haemolytic, hypotensive, sedative and tonic[
116- Title
- Oriental Herbs and Vegetables, Vol 39 No. 2.
- Publication
-
- Author
- Brooklyn Botanic Garden
- Publisher
- Brooklyn Botanic Garden
- Year
- 1986
- ISBN
- -
- Description
- A small booklet packed with information.
,
147- Title
- A Barefoot Doctors Manual.
- Publication
-
- Author
- ?
- Publisher
- Running Press; Philadelphica.
- Year
- 1977
- ISBN
- 0-914294-92-X
- Description
- A very readable herbal from China, combining some modern methods with traditional chinese methods.
,
176- Title
- Handbook of Chinese Herbs and Formulas.
- Publication
-
- Author
- Yeung. Him-Che.
- Publisher
- Institute of Chinese Medicine, Los Angeles
- Year
- 1985
- ISBN
- -
- Description
- An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
,
218- Title
- Medicinal Plants of China
- Publication
-
- Author
- Duke. J. A. and Ayensu. E. S.
- Publisher
- Reference Publications, Inc.
- Year
- 1985
- ISBN
- 0-917256-20-4
- Description
- Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
]. It acts mainly as a tonic for the heart and kidney energies[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. It is taken internally in the treatment of coughs with profuse phlegm, bronchitis, insomnia, palpitations, poor memory, anxiety, depression and nervous tension[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. Externally it is used to treat boils and carbuncles[
147- Title
- A Barefoot Doctors Manual.
- Publication
-
- Author
- ?
- Publisher
- Running Press; Philadelphica.
- Year
- 1977
- ISBN
- 0-914294-92-X
- Description
- A very readable herbal from China, combining some modern methods with traditional chinese methods.
,
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. The root is harvested in the autumn and dried for later use[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
The leaves are used as a tonic for the kidneys[
218- Title
- Medicinal Plants of China
- Publication
-
- Author
- Duke. J. A. and Ayensu. E. S.
- Publisher
- Reference Publications, Inc.
- Year
- 1985
- ISBN
- 0-917256-20-4
- Description
- Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
].
Other Uses
None known
Propagation
Seed - sow spring or autumn in a cold frame[
214- Title
- The New Plantsman. Volume 1, 1994.
- Publication
-
- Author
- Matthews. V.
- Publisher
- Royal Horticultural Society
- Year
- 1994
- ISBN
- 1352-4186
- Description
- A quarterly magazine, it has articles on Himalayacalamus hookerianus, hardy Euphorbias and an excellent article on Hippophae spp.
]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.
Division.
Cuttings of young shoots in a frame in late spring[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.
Useful Temperate Plants Database 2016 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
