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 evil genus 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 regions common 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 Spain great St John's wort, Hypericum ascyron, Hypericum pyramidatum - perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes creeping St John's wort, Hypericum calycinum - creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover Hypericum gentianoides, nitweed, orange grass, pine-weed, pineweed - annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers Hypericum 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 Texas Hypericum 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 Mexico Hypericum perforatum, klammath weed - yellow-flowered perennial common in fields and waste places but a weed in rangelands Hypericum prolificum, Hypericum spathulatum, shrubby St John's wort - stiff shrub having oblong entire leaves and dense cymes of yellow flowers Hypericum maculatum, Hypericum tetrapterum, St Peter's wort - European perennial St John's wort; Ireland and France to western Siberia Hypericum virginianum, marsh St-John's wort - perennial marsh herb with pink to mauve flowers; southeastern United States subshrub, suffrutex - low-growing woody shrub or perennial with woody base