Plants (O)

Name & image of plant

Plant taxonomy



  • Oleander (scientific name: Nerium oleander) is a shrub or small tree in the dogbane family Apocynaceae, toxic in all its parts
  • The origins of the taxonomic name, Nerium oleander, was first assigned by Linnaeus in 1753
  • It is the only species currently classified in the genus Nerium
  • Oleander is one of the most poisonous commonly grown garden plants


  • Oregano (scientific name: origanum vulgare) is a flowering plant in the mint family Lamiaceae
  • It is native to temperate Western and Southwestern Eurasia and the Mediterranean region

  • It is sometimes called wild marjoram and its close relative is called sweet marjoram

    Sweet marjoram