#ginger  perennial plants having thick branching aromatic rhizomes and leafy reedlike stems
  supertype:  herbaceous_plant__herb  a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
  substance:  gingerol
  member of:  genus_Zingiber
  subtype:  common_ginger__Canton_ginger__stem_ginger__Zingiber_officinale  tropical Asian plant widely cultivated for its pungent root; source of gingerroot and powdered ginger
  subtype:  galangal__Alpinia_galanga  southeastern Asian perennial with aromatic roots
  subtype:  lesser_galangal__Alpinia_officinarum__Alpinia_officinalis  Chinese perennial with pyramidal racemes of rose-veined white flowers and pungent aromatic roots used medicinally and as flavoring
  subtype:  red_ginger__redginger__Alpinia_purpurata  an ornamental ginger native to Pacific islands
  subtype:  shell_ginger__shellginger__shellflower__Alpinia_Zerumbet__Alpinia_speciosa__Languas_speciosa  cultivated for its shining oblong leaves and arching clusters of white flowers with shell-pink shading and crinkled yellow lip with variegated magenta stripes

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