• Bignoniaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 40 from The flora of South Africa (vol. 3, part 2) featuring Bignoniaceae.
    • Bignoniaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 39 from The flora of South Africa (vol. 3, part 2) featuring Bignoniaceae.