| 释义 |
St John's wort
Thesaurus| Noun | 1. | St John's wort - any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evilgenus Hypericum, Hypericum - large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regionscommon St John's wort, Hypericum androsaemum, tutsan - deciduous bushy Eurasian shrub with golden yellow flowers and reddish-purple fruits from which a soothing salve is made in Spaingreat St John's wort, Hypericum ascyron, Hypericum pyramidatum - perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymescreeping St John's wort, Hypericum calycinum - creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground coverHypericum gentianoides, nitweed, orange grass, pineweed, pine-weed - annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowersHypericum crux andrae, St Andrews's cross - shrubby plant having yellow to apricot flowers with four petals arranged in a cross; southeastern United States: New York to TexasHypericum hypericoides, low St Andrew's cross - low shrubby plant having yellow flowers with four petals arranged in a cross; Bermuda and southeastern United States to West Indies and eastern MexicoHypericum perforatum, klammath weed - yellow-flowered perennial common in fields and waste places but a weed in rangelandsHypericum prolificum, Hypericum spathulatum, shrubby St John's wort - stiff shrub having oblong entire leaves and dense cymes of yellow flowersHypericum maculatum, Hypericum tetrapterum, St Peter's wort - European perennial St John's wort; Ireland and France to western SiberiaHypericum virginianum, marsh St-John's wort - perennial marsh herb with pink to mauve flowers; southeastern United Statessubshrub, suffrutex - low-growing woody shrub or perennial with woody base |
EncyclopediaSeehypericum perforatumSt John's wort
St John's wort Hypericum perforatum Herbal medicine A perennial herb that contains flavonoids, glycosides, mucilage, tannins, volatile oil; it is antibacterial, anti-inflammatory, antimicrobial, astringent, expectorant, sedative; as an antidepressant, it is overrated, proving ineffective in double-blinded placebo-controlled trials Toxicology SJW may interfere with OCs, anti-HIV agents, transplant drugs, anti-depressants; it causes HTN, headaches, N&V; it may also interact with amphetamines, amino acids–tryptophan, tyrosine, antiasthmatic inhalants, beer, wine, chocolate, coffee, fava beans, cold and hay fever agents, narcotics, nasal decongestants, smoked or pickled foods. See Herbal medicine. AcronymsSeeSJWSt John's wort
Related to St John's wort: valerianWords related to St John's wortnoun any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leavesRelated Words- genus Hypericum
- Hypericum
- common St John's wort
- Hypericum androsaemum
- tutsan
- great St John's wort
- Hypericum ascyron
- Hypericum pyramidatum
- creeping St John's wort
- Hypericum calycinum
- Hypericum gentianoides
- nitweed
- orange grass
- pineweed
- pine-weed
- Hypericum crux andrae
- St Andrews's cross
- Hypericum hypericoides
- low St Andrew's cross
- Hypericum perforatum
- klammath weed
- Hypericum prolificum
- Hypericum spathulatum
- shrubby St John's wort
- Hypericum maculatum
- Hypericum tetrapterum
- St Peter's wort
- Hypericum virginianum
- marsh St-John's wort
- subshrub
- suffrutex
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