Polygonatum cyrtonema

Polygonatum cyrtonema · Accepted scientific name

Scientific literature: Extensive (165 studies) · ★★★★☆

, scientifically known as Polygonatum cyrtonema, is a perennial herb highly valued in traditional medicine. Often referred to as "Solomon's Seal," this plant is prized for its rhizomes, which are used to nourish Yin, moisten dryness, and promote fluid production, playing a vital role in holistic healing practices.

Family
Asparagaceae
Native range
Asia-Temperate
Parts used
Rhizome · Flower
Common names
Not available
Scientific synonyms
Polygonatum Henryi · Polygonatum Multiflorum Var. Longifolium · 2 more

Names and Synonyms

Scientific Names

Accepted name

Polygonatum cyrtonema

Synonyms

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Under the subclass Magnoliidae, it is further organized into the order Asparagales and the family Asparagaceae. Ultimately, it is identified by the genus Polygonatum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Asparagales
Family Asparagaceae
Genus Polygonatum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a widespread presence across several major regions within China. Its native range can be found extensively throughout China South-Central. Additionally, the species is well-distributed across the territories of China North-Central. It also maintains a significant population in China Southeast. Collectively, these areas define the primary geographical distribution of Polygonatum cyrtonema.

Region Area
China China South-Central
China China North-Central
China China Southeast

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Polygonatum cyrtonema is defined by its specific distribution across montane environments, where it thrives within a distinct vertical altitudinal gradient. This species is typically found at elevations ranging from a minimum of 500 m AMSL to a maximum of 2100 m AMSL. Throughout its natural habitat, it occupies a middle ecological niche with a mean elevation of approximately 1300 m AMSL, suggesting a preference for temperate montane zones that provide the necessary climatic conditions for its growth and development.

Elevational range max:
2100 m AMSL
Elevational range mean:
1300 m AMSL
Elevational range min:
500 m AMSL

Life history

The life history of Polygonatum cyrtonema is characterized by its classification as a cryptophyte, specifically functioning as a geophyte to survive unfavorable environmental conditions. As a geophyte, the plant relies on underground storage organs, such as rhizomes, which allow it to persist through dormant periods and emerge during favorable growing seasons. This life strategy enables the plant to maintain its biological functions beneath the soil surface, protecting its vital tissues from extreme temperatures or seasonal desiccation, thereby ensuring its long-term survival and ability to regenerate annually.

Life form :
geophyte
Life form :
cryptophyte

Morphology

The morphology of Polygonatum cyrtonema is characterized by its distinct growth habit and ecological positioning. As a plant, it functions as a self-supporting climber, possessing the structural integrity to maintain its posture without requiring external assistance for verticality. It is an independent organism, meaning it does not exhibit parasitic behavior and functions as a non-parasitic species. Furthermore, its life cycle is strictly terrestrial, as it does not adopt an epiphytic lifestyle, instead growing directly within the soil substrate of its natural habitat.

Climber :
self-supporting
Epiphyte :
terrestrial
Parasite :
independent

Physiology

The physiological profile of Polygonatum cyrtonema is characterized by distinct morphological variations in its foliar architecture, which play a crucial role in its photosynthetic capacity and environmental adaptation. The leaves exhibit a significant range in dimensions, with the leaf length typically maintaining a mean value of 14 cm, though it can fluctuate between a minimum of 10 cm and a maximum of 18 cm. Complementing this longitudinal variation is the leaf width, which spans from a minimum of 2 cm to a maximum of 7 cm. These dimensions suggest a flexible canopy structure that allows the plant to optimize light interception and gas exchange within its specific ecological niche.

Leaf length max:
18 cm
Leaf length mean:
14 cm
Leaf length min:
10 cm
Leaf width max:
7 cm
Leaf width min:
2 cm

Reproduction

The reproduction of Polygonatum cyrtonema culminates in the development of its distinctive fruit, which exhibits a highly uniform morphology across its various dimensions. The fruit is characterized by a consistent size profile where both the length and the width maintain a singular measurement. Specifically, the fruit length ranges from a minimum of 1 cm to a maximum of 1 cm, resulting in an identical mean length of 1 cm. Similarly, the fruit width follows this precise consistency, with a minimum value of 1 cm, a maximum value of 1 cm, and a mean width of 1 cm. This uniformity in the fruit's dimensions suggests a highly stabilized reproductive outcome in terms of its physical structure.

Fruit length max:
1 cm
Fruit width max:
1 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Polygonatum cyrtonema has 4 reported plant parts identified across 11 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include rhizome, flower, leaf, stem.

Plant parts reported in Polygonatum cyrtonema
Plant part Supporting sources Consensus
Rhizome 8 supporting sources ★★★★☆
Flower 1 supporting sources ★☆☆☆☆
Leaf 1 supporting sources ★☆☆☆☆
Stem 1 supporting sources ★☆☆☆☆

Rhizome

  1. Microbiology spectrum
  2. PloS one
  3. Frontiers in plant science
  4. Pharmaceuticals (Basel, Switzerland)
  5. Frontiers in pharmacology
View 3 additional sources
  1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
  2. Frontiers in microbiology
  3. Metabolites

Flower

  1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Leaf

  1. Frontiers in plant science

Stem

  1. Frontiers in plant science

Chemicals

Polygonatum cyrtonema has 69 reported phytochemicals identified across 11 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Saponins, Polysaccharide, glucose, Flavonoid.

Chemicals reported in Polygonatum cyrtonema
Chemical Supporting sources Consensus
Flavonoids 8 supporting sources ★★★★☆
Saponins 6 supporting sources ★★★☆☆
Polysaccharide 4 supporting sources ★★☆☆☆
glucose 4 supporting sources ★★☆☆☆
Flavonoid 3 supporting sources ★★☆☆☆
Steroids 3 supporting sources ★★☆☆☆
CATALASE 2 supporting sources ★☆☆☆☆
Galacturonic acid 2 supporting sources ★☆☆☆☆
LIGNIN 2 supporting sources ★☆☆☆☆
Peroxidase 2 supporting sources ★☆☆☆☆

Flavonoids

  1. PloS one
  2. Frontiers in plant science
  3. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
  4. Plants (Basel, Switzerland)
  5. Molecules (Basel, Switzerland)
View 3 additional sources
  1. International journal of molecular sciences
  2. Metabolites
  3. BMC genomics

Saponins

  1. Microbiology spectrum
  2. PloS one
  3. Frontiers in microbiology
  4. Molecules (Basel, Switzerland)
  5. Frontiers in plant science
View 1 additional sources
  1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Polysaccharide

  1. Foods (Basel, Switzerland)
  2. BMC genomics
  3. PloS one
  4. Frontiers in plant science

glucose

  1. Frontiers in plant science
  2. RSC advances
  3. Scientific reports
  4. Foods (Basel, Switzerland)

Flavonoid

  1. Journal of hazardous materials
  2. BMC genomics
  3. Scientific reports

Steroids

  1. Plants (Basel, Switzerland)
  2. International journal of molecular sciences
  3. BMC genomics

CATALASE

  1. Frontiers in plant science
  2. BMC genomics

Galacturonic acid

  1. RSC advances
  2. Foods (Basel, Switzerland)

LIGNIN

  1. BMC genomics
  2. Scientific reports

Peroxidase

  1. Frontiers in plant science
  2. BMC genomics

Activities

Polygonatum cyrtonema has 3 reported activities identified across 11 scientific publications and several other databases. The most consistently reported activities include Antimicrobial, Antioxidant, Hypoglycemic.

Activities reported in Polygonatum cyrtonema
Activity Supporting sources Consensus
Antimicrobial 1 supporting sources ★☆☆☆☆
Antioxidant 1 supporting sources ★☆☆☆☆
Hypoglycemic 1 supporting sources ★☆☆☆☆

Antimicrobial

  1. Molecules (Basel, Switzerland)

Antioxidant

  1. Frontiers in pharmacology

Hypoglycemic

  1. Molecules (Basel, Switzerland)

Medicinal Uses

Polygonatum cyrtonema has 17 reported medicinal uses identified across 11 scientific publications and several other databases. The most consistently reported uses include oxidative stress, Alzheimer's disease, Yin deficiency, abiotic stresses, cancer.

Most Reported Uses

Use Sources Consensus
oxidative stress BMC genomics (and other 2 sources) ★☆☆☆☆
Alzheimer's disease Frontiers in pharmacology (and other 1 sources) ★☆☆☆☆
Yin deficiency Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica (and other 1 sources) ★☆☆☆☆
abiotic stresses Frontiers in plant science (and other 1 sources) ★☆☆☆☆
cancer Frontiers in pharmacology (and other 1 sources) ★☆☆☆☆
cardiovascular disease Frontiers in pharmacology (and other 1 sources) ★☆☆☆☆
chronic diseases BMC plant biology (and other 1 sources) ★☆☆☆☆
depression Frontiers in pharmacology (and other 1 sources) ★☆☆☆☆
fatigue Frontiers in pharmacology (and other 1 sources) ★☆☆☆☆
fungal infection Frontiers in plant science (and other 1 sources) ★☆☆☆☆

Preparations

Preparations Sources Consensus
dried P. cyrtonema (DPC1) samples Pharmaceuticals (Basel, Switzerland) (and other 1 sources) ★☆☆☆☆
nine cycles of steaming and drying Pharmaceuticals (Basel, Switzerland) (and other 1 sources) ★☆☆☆☆