Polygonatum odoratum

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Polygonatum odoratum
Angular solomons-seal Polygonatum odoratum.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Nolinoideae
Genus: Polygonatum
Species:
P. odoratum
Binomial name
Polygonatum odoratum
(Mill.) Druce
Synonyms [1]
  • Convallaria odorataMill.
  • Polygonatum sigillumDruce
  • Polygonatum maximowicziiF.Schmidt
  • Polygonatum hondoenseNakai ex Koidz.
  • Convallaria polygonatumL.
  • Convallaria angulosaLam.
  • Polygonatum officinaleAll.
  • Polygonatum ancepsMoench
  • Polygonatum vulgareDesf.
  • Convallaria parvifloraPoir. in J.B.A.M.de Lamarck
  • Polygonatum obtusifoliumWeinm.
  • Polygonatum ambiguumLink ex Schult. & Schult.f. in J.J.Roemer & J.A.Schultes
  • Convallaria compressaSteud.
  • Convallaria obtusifoliaGünther ex Steud.
  • Polygonatum angulosumMontandon in F.Friche-Joset
  • Polygonatum simizuiKitag.
  • Polygonatum langyaenseD.C.Zhang & J.Z.Shao
  • Polygonatum quelpaertenseOhwi
  • Polygonatum planifilumKitag. & Hir.Takah.
  • Polygonatum thunbergiiC.Morren & Decne.
  • Polygonatum japonicumC.Morren & Decne.

Polygonatum odoratum (syn. P. officinale), the angular Solomon's seal or scented Solomon's seal, is a species of flowering plant in the family Asparagaceae, native to Europe, the Caucasus, Siberia, the Russian Far East, China, Mongolia, Korea, Nepal and Japan. [1] [2] [3] [4] In the United Kingdom it is one of three native species of the genus, the others being P. multiflorum and P. verticillatum .

Contents

The genus name Polygonatum comes from the Greek words "poly", meaning "many", and "gonu", meaning "knee joint". This is in reference to the plant's jointed rhizomes. The Latin specific epithet odoratum means "scented". [5]

Description

Polygonatum odoratum is a colonizing herbaceous perennial growing to 85 cm (33 in) tall by 30 cm (12 in) wide, with alternate, simple leaves on arching stems. The scented tubular flowers are white with green tips, borne in spring and hanging from the underside of the stems. [2]

Cultivation

Polygonatum odoratum, like its relative lily of the valley, is cultivated in moist, shaded situations, where it will spread by underground stolons. [6] Cultivars include 'Flore pleno' [7] and 'Variegatum'. [8]

Use

Dunggulle (lesser Solomon's seal roots Dunggulle.jpg
Dunggulle (lesser Solomon's seal roots

Polygonatum odoratum is used in traditional Chinese medicine and Traditional Korean medicine, where it is called yùzhú (玉竹) and dunggulle (둥굴레) respectively. In Korea, the root of the plant is used to make tea.

This plant species is described in the work Plantas Medicinales (medicinal plants) of Pius Font i Quer. [9] According to it, its rhizome contains asparagine, mucilage, a cardio-tonic glycoside, saponin, and quinine gluconate. It has been used for intestinal problems and pain, for rheumatism, gout, water retention, and as a diuretic. He says that the scientific medicine has used it to treat diabetes. He also describes a digestive liquor that uses the rhizome of this plant.

The young shoots of the plants may be boiled and served like asparagus. The stems, leaves, and berries, however, must be treated with caution, as they are thought to be toxic if consumed in large quantities. [10]

Varieties

Four varieties are recognized: [1]

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References

  1. 1 2 3 Kew World Checklist of Selected Plant Families
  2. 1 2 RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN   978-1405332965.
  3. Flora of China, Vol. 24 Page 226, 玉竹 yu zhu, Polygonatum odoratum (Miller) Druce, Ann. Scott. Nat. Hist. 60: 226. 1906.
  4. Altervista Flora Italiana, Sigillo di Salomone comune, Angular Solomon's Seal, Polygonatum odoratum (Miller) Druce includes map of distribution in Europe
  5. "Polygonatum odoratum var. pluriflorum 'Variegatum' - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2021-03-12.
  6. "RHS Plant Selector – Polygonatum odoratum" . Retrieved 28 May 2013.
  7. "RHS Plant Selector – Polygonatum odoratum 'Flore Pleno'" . Retrieved 28 May 2013.
  8. "RHS Plant Selector – Polygonatum odoratum 'Variegatum'" . Retrieved 28 May 2013.
  9. Pius Font i Quer, Plantas medicinales, editorial Labor, 1962
  10. "Polygonatum odoratum 'Variegatum' (Angled Solomon's Seal, Fragrant Solomon's Seal, Japanese Solomon Seal, Striped Solomon's Seal 'Variegatum', Variegated Solomon's Seal) | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2021-03-12.