Illustration of <i>Ceropegia fusca</i>
William Turner Thiselton-Dyer (1843-1928)
1906
Curtis's botanical magazine vol. 132 tabl. 8066 (<a rel="nofollow" class="external free" href="http://www.botanicus.org/page/449916">http://www.botanicus.org/page/449916</a>)