#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
  supertype:  #subshrub__suffrutex  low-growing woody shrub or perennial with woody base
  member of:  #genus_Hypericum
  subtype:  #common_St_John's_wort__tutsan__Hypericum_androsaemum  deciduous bushy Eurasian shrub with golden yellow flowers and reddish-purple fruits from which a soothing salve is made in Spain
  subtype:  #great_St_John's_wort__Hypericum_ascyron__Hypericum_pyramidatum  perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes
  subtype:  #creeping_St_John's_wort__Hypericum_calycinum  creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover
  subtype:  #orange_grass__nitweed__pineweed__Hypericum_gentianoides  annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers
  subtype:  #St_Andrews's_cross__Hypericum_crux_andrae  shrubby plant having yellow to apricot flowers with four petals arranged in a cross; southeastern United States: New York to Texas
  subtype:  #low_St_Andrew's_cross__Hypericum_hypericoides  low shrubby plant having yellow flowers with four petals arranged in a cross; Bermuda and southeastern United States to West Indies and eastern Mexico
  subtype:  #klammath_weed__Hypericum_perforatum  yellow-flowered perennial common in fields and waste places but a weed in rangelands
  subtype:  #shrubby_St_John's_wort__Hypericum_prolificum__Hypericum_spathulatum  stiff shrub having oblong entire leaves and dense cymes of yellow flowers
  subtype:  #St_Peter's_wort__Hypericum_tetrapterum__Hypericum_maculatum  European perennial St John's wort; Ireland and France to western Siberia
  subtype:  #marsh_St-John's_wort__Hypericum_virginianum  perennial marsh herb with pink to mauve flowers; southeastern United States

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