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Clematis chinensis

Common name: Wei Ling Xian Family: Ranunculaceae
Author: Retz. Botanical references: 11, 200
Synonyms: Clematis minor (Lour.)
Known Hazards: This species is harmful if eaten[238]. The toxic principle is dissipated by heat or by drying[65]. The plant is also a mild skin irritant[238].
Range: E. Asia - C. and W. China.
Habitat: Open woods, hedges, thickets, roadsides and banks of streams[109, 147, 238].
Edibility Rating (1-5): 1Medicinal Rating (1-5):2

Other Possible Synonyms:From various places across the web, may not be correct. See below.
C. sinensis[H] C. terniflora[H]
Other Common Names:From various places around the Web, may not be correct. See below.
Wei Ling Hsien [E],
Epithets:From a Dictionary of Botanical Epithets
clematis = climbing;
Systematics:From a USDA Plants Database
Order: Ranunculales. Buttercup family
Other Range Info: From the Ethnobotany Database
China

Physical Characteristics

A decidious climber growing to 5m by 5m . It is hardy to zone 6. It is in flower from September to October, and the seeds ripen from October to November. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees and flies. We rate it 1/5 for edibility and 2/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Habitats and Possible Locations

Woodland, Dappled Shade, Shady Edge.

Edible Uses

Leaves.

Young shoots - cooked[179]. They are said to be non-toxic in one report[179] but caution is still advised due to reports of toxicity in this genus[238]. It is quite probable that cooking destroys the acrimonious principle, though this is a plant that I have no desire to eat[K].

Medicinal Uses

Disclaimer

Anodyne; Antidote; Antiperiodic; Antirheumatic; Antispasmodic; Antitumor; Cancer; Carminative; Diuretic.

The root is anodyne, antidote, antiperiodic, antispasmodic, carminative, diuretic and sedative[147, 176, 178, 218, 238]. A decoction is taken internally in the treatment of rheumatism and arthritis, tetanus and cold-type stomach-ache[147, 238]. The root is harvested in the autumn and dried for later use[238].
The whole plant is antirheumatic[147, 176, 178, 218]. The plant has a history of folk use in the treatment of cancer[147, 176, 178, 218].
The root contains anemonin, this has antibacterial, analgesic, sedative and antispasmodic actions. It also inhibits the heart and central nervous system and is rubefacient[176].

We have a more details factsheet on the history and medicinal use of this plant. Email webmaster@pfaf.org for details.

Other Uses

None known

Cultivation details

Prefers a deep moist soil with its roots in the shade and its shoots growing up to the light[164]. Dislikes poorly-drained heavy clay soils, but grows well in clay if grit is added for drainage[11, 200]. Dislikes light sandy soils[11]. Does well on chalk[11]. Succeeds in acid as well as alkaline soils[200].
When planting out, in order to avoid the disease 'clematis wilt', it is best to plant the rootball about 8cm deeper in the soil. This will also serve to build up a good root crown of growth buds[200].
A twining plant[182]. The leafstalks wrap themselves around twigs and branches for support. When a side of the stalk touches an object, the growth on that side slows down whilst the other side grows at its normal rate - this causes the leaf stalk to entwine the object it is touching[212].
Plants flower in the autumn on the current season's growth, any pruning is best carried out in the spring before new growth begins[219, 238]. The flowers are produced quite late in the season and can be damaged by late frosts, so plants generally do better in the milder western parts of the country[219].
Plants in this genus are notably resistant to honey fungus[200].
Plants seem to be immune to the predations of rabbits[233].
A greedy plant, inhibiting the growth of nearby plants, especially legumes[54].
The flowers are often damaged by winter cold[11].

Propagation

Seed - best sown as soon as it is ripe in a cold frame[164, 200]. Sow stored seed as soon as it is obtained in a cold frame. Pre-soak the seed for 12 hours in warm water and remove as much of the tail and outer coat as possible[164]. A period of cold stratification is beneficial[164]. The seed germinates in 1 - 9 months or more at 20°c[164]. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a cold frame for the first winter. Plant out in late spring or early summer, after the last expected frosts.
Internodal cuttings of soft to semi-ripe wood, late spring in sandy soil in a frame[200].
Layering of old stems in late winter or early spring[200].
Layering of current seasons growth in early summer[200].

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for Clematis minor (a possible synonym).

References for the family Ranunculaceae.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981
A classic with a wealth of information on the plants, but poor on pictures.

[54] Hatfield. A. W. How to Enjoy your Weeds. Frederick Muller Ltd 1977 ISBN 0-584-10141-4
Interesting reading.

[65] Frohne. D. and Pfänder. J. A Colour Atlas of Poisonous Plants. Wolfe 1984 ISBN 0723408394
Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.

[109] Wilson. E. H. Plantae Wilsonae.
Details of the palnts collected by the plant collector E. H. Wilson on his travels in China. Gives some habitats. Not for the casual reader.

[147] ? A Barefoot Doctors Manual. Running Press ISBN 0-914294-92-X
A very readable herbal from China, combining some modern methods with traditional chinese methods.

[164] Bird. R. (Editor) Growing from Seed. Volume 4. Thompson and Morgan. 1990
Very readable magazine with lots of information on propagation. A good article on Yuccas, one on Sagebrush (Artemesia spp) and another on Chaerophyllum bulbosum.

[176] Yeung. Him-Che. Handbook of Chinese Herbs and Formulas. Institute of Chinese Medicine, Los Angeles 1985
A very good Chinese herbal.

[178] Stuart. Rev. G. A. Chinese Materia Medica. Taipei. Southern Materials Centre
A translation of an ancient Chinese herbal. Fascinating.

[179] Reid. B. E. Famine Foods of the Chiu-Huang Pen-ts'ao. Taipei. Southern Materials Centre 1977
A translation of an ancient Chinese book on edible wild foods. Fascinating.

[182] Thomas. G. S. Ornamental Shrubs, Climbers and Bamboos. Murray 1992 ISBN 0-7195-5043-2
Contains a wide range of plants with a brief description, mainly of their ornamental value but also usually of cultivation details and varieties.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[212] Craighead. J., Craighead. F. and Davis. R. A Field Guide to Rocky Mountain Wildflowers The Riverside Press 1963 ISBN 63-7093
Excellent little pocket guide to the area, covering 590 species and often giving details of their uses.

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

[219] Grey-Wilson. C. & Matthews. V. Gardening on Walls Collins 1983 ISBN 0-00-219220-0
A nice little book about plants for growing against walls and a small section on plants that can grow in walls.

[233] Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. 1990 ISBN 0 460 86048 8
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.

[238] Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995 ISBN 0-7513-020-31
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.


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