Cynanchum glaucescens
a perennial woody member of the Cynanchum genus in the family Asclepiadaceae.
Taxonomy and growth
- Family
- Asclepiadaceae
- Genus
- Cynanchum
- Life cycle
- perennial
- Woodiness
- woody
- Flower type
- hermaphrodite
Uses
Toxicity
Toxicity warning. The historical record reports a hazard for this plant. Do not use it to decide which parts are safe to eat or use medicinally.
This section contains historical Plants For A Future notes marked noncommercial.
There are some reports of toxins in this genus[2].
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 dried root and stem are antitussive and expectorant[1][3]. They are used in the treatment of asthma with profuse sputum, coughs etc[1][4].
- Product or use
- Antitussive
- Product or use
- Expectorant
Ecology and functions
- Ecosystem niche
- Climber
Environment
- Range
- E. Asia - China.
- Habitat
- Mountains, riversides; 100-800. Fujian, Guangdong, Guangxi, Hunan, Jiangsu, Jiangxi, Sichuan, Zhejiang[4].
- Light
- full sun
- Shade tolerance
- light shade
- Water
- moderate
- Soil textures
- sandy, loamy, clay
- Soil pH
- acid, neutral, alkaline
- Tolerates Nutritionally Poor Soil
- No
- Drought
- intolerant
Propagation
This section contains historical Plants For A Future notes marked noncommercial.
Seed - sow spring in the greenhouse. 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 spring.
Cultivation
This section contains historical Plants For A Future notes marked noncommercial.
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. It probably does not have any special cultivation requirements and will probably succeed in most soils in a sunny position[K].
References
Yeung. Him-Che. Handbook of Chinese Herbs and Formulas. Institute of Chinese Medicine, Los Angeles 1985-00-00
Reid. B. E. Famine Foods of the Chiu-Huang Pen-ts'ao. Taipei. Southern Materials Centre 1977-00-00
Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985-00-00 ISBN 0-917256-20-4
Flora of China 1994-00-00 http://flora.huh.harvard.edu/china/