High Quality Content by WIKIPEDIA articles! Atractocarpus chartaceus (Narrow-leaved Gardenia or Thin-leaved Gardenia) is a species of flowering plant in the Rubiaceae family from eastern Australia. The habitat is the understorey of subtropical and tropical rainforest on fertile soils. The natural range of distribution is from the Richmond River, New South Wales to tropical Queensland. This plant features beautifully scented flowers.