• Apocynaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 18 from The flora of South Africa (vol. 3, part 1) featuring Apocynaceae.
    • Apocynaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 17 from The flora of South Africa (vol. 3, part 1) featuring Apocynaceae.