• Acanthaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 44 from The flora of South Africa (vol. 3, part 2) featuring Acanthaceae.
    • Acanthaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 45 from The flora of South Africa (vol. 3, part 2) featuring Acanthaceae.