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Leonurus sibiricus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Leonurus
Species: L. sibiricus
Binomial name
Leonurus sibiricus
L.

Leonurus sibiricus, commonly called Honeyweed or Siberian motherwort, is a herbaceous plants species native from central and Southwest Asia, including China and Mongolia and Russia. It is naturalized in many other parts of the world, including North America.[1]

Contents

Description

Leonurus sibiricus is a herbaceous annual or biennial with upright stems that grow from 20 to 80 cm tall. Plants have long petioled basal leaves, that are ovate-cordate in shape. The leaves have toothed margins and are incised with deeply cut lobes. Typically one or a few flowering stems are produced from short tap-roots. The lower stem leaves are deciduous and wither away as the plants begin blooming. The petioles of the leaves, midway up the stems are 2 cm long. The flowers are produced in many flowered verticillasters, produced in whorls around the top half or more of the stem. The flowers are sessile with 8 mm long calyxs that are tubular-campanulate in shape. The corolla is white or reddish to purple-red, with an upper lip that is oblong in shape and longer than the lower lip. When flowering is done, brown oblong shaped nutlets are produced in good number.[2] Blooming occurs from July into late September, but when climate permits, flowering can occur year round.[3][4]

This species habitat within its natural range, is stony or sandy grasslands or pine forests.[5]

Alkaloids

Leonurine is one of the active components of Leonurus sibiricus[6]

Alkaloids isolated from the plant include:[7]

  • Cycloleonurinine
  • Leoheterin
  • Leonurine
  • Leonurinine
  • Leuronurine
  • Prehispanolone [1]
  • Preleoheterin
  • Stachydrine [2]

See also

References

External links

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Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Leonurus sibiricus

Taxonavigation

Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Eudicots
Cladus: core eudicots
Cladus: Asterids
Cladus: Euasterids I
Ordo: Lamiales
Familia: Lamiaceae
Subfamilia: Lamioideae
Genus: Leonurus
Species: Leonurus sibiricus

Name

Leonurus sibiricus L.

References

  • Species Plantarum 2:584. 1753
  • USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Data from 07-Oct-06]. [1]

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