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Polygonatum cyrtonema - Hua.

Common Name
Family Convallariaceae
USDA hardiness Coming soon
Known Hazards Although no reports of toxicity have been seen for this species, some members of this genus are believed to have poisonous fruits and seeds.
Habitats Forests, thickets and shaded slopes at elevations from 500 - 2100 metres[266].
Range E. Asia - China.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Moist Soil Full shade Semi-shade
Polygonatum cyrtonema


Polygonatum cyrtonema

 

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Summary


Physical Characteristics

 
Polygonatum cyrtonema is a PERENNIAL. It is in flower from May to June, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Dappled Shade; Shady Edge; not Deep Shade;

Edible Uses

None known

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antiseptic  Demulcent  Tonic  Vasodilator

The root is antiseptic, demulcent, tonic and vasodilator[176, 218]. Its use prevents atherosclerosis and fatty infiltration in the liver[176]. It is used in the treatment of dry coughs due to chronic bronchitis and pulmonary tuberculosis, fatigue and poor appetite[176].

Other Uses

None known

Cultivation details

We do not have much 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 parts of this country. The following notes are based on the general needs of the genus. Prefers a fertile humus rich moisture-retentive well-drained soil in cool shade or semi-shade[200]. Plants are intolerant of heat and drought but they tolerate most other conditions[200]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233]. The young shoots are very attractive to slugs[K]. Hybridizes with other members of this genus[200].

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Propagation

Seed - best sown as soon as it is ripe in early autumn in a shady part of a cold greenhouse[200]. Sow stored seed as early in the year as possible. Germination can be slow, they may not come true to type[200] and it takes a few years for them to reach a good size. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a shady position 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 March or October. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

 

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Expert comment

Author

Hua.

Botanical References

266

Links / References

For a list of references used on this page please go here

Readers comment

A Miles   Tue Oct 6 2009

Pubmed Structure of polysaccharide from Polygonatum cyrtonema Hua and the antiherpetic activity of its hydrolyzed fragments.

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Subject : Polygonatum cyrtonema  
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