Swertia japonica
| Swertia | |
|---|---|
 |
|
| Swertia perennis | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Genus: |
Swertia L. |
| Type species | |
|
Swertia perennis L. |
|
| Species | |
|
120-150, See text. |
|
| Synonyms | |
Probable synonyms
Possible synonyms
Sources: GRIN, ING, NHM |
|
120-150, See text.
Probable synonyms
Possible synonyms
Sources: GRIN, ING, NHM
Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts. Some species bear very showy purple and blue flowers.
Plants of genus Frasera are sometimes considered part of this genus, sometimes as a separate genus, and sometimes as synonymous.
Sources:
Swertia contains the chemicals sawertiamarine, mangeferin and amarogenitine 1,5,8-trihydroxy-3-methoxyxanthone, 1-hydroxy-2,3,5,7-tetramethoxyxanthone, 1-hydroxy-3,5,8-trimethoxyxanthone, 1-hydroxyl-2,3,4,6-tetramethoxyxanthone, 1-hydroxy-2,3,4,7-tetramethoxyxanthone, 1,8-dihydroxy-3,5-dimethoxyxanthone, 1,7-dihydroxy-3,8-dimethoxyxanthone, 1,3,5,8-tetrahydroxyxanthone, balanophonin, oleanolic acid, maslinic acid, and sumaresinolic acid.Swerilactones from Swertia mileensis showed anti-hepatitis B virus activity in vitro.
Swertia is used in Indian Ayurvedic Herbal System to cure Fever as in Laghu sudarshana churna, Maha sudarshan Churna and in Tibetan folk medicine. It is also one of most widely used medicinal plants of Sikkim, and is considered Vulnerable based on IUCN CAMP Criteria.
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