Ceropegia multiflora

References

1. [1]Bihrmann's Caudiciforms — http://www.bihrmann.com/caudiciforms/ ↩︎An internet site giving information on caudiciform plants (plants with swollen stem bases such as the Baobab tree, cycads and many succulents). Excellent photos, usually of cultivated plants in pots.
2. [2]Cataloge of African Plants Collected by Dr. Friedrich Welwitsch in 1853 - 1861 — Hiern. W.P. · Longmans & Co.; London. · 1898 · http://www.biodiversitylibrary.org ↩︎In 6 volumes, it gives botanical descriptions and some uses of the plants. It can be downloaded from the Internet.
3. [3]Protabase - Plant Resources of Tropical Africa. — http://www.prota.org ↩︎An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
4. [4]Gemsbok Bean and Kalahari Truffle — Leffers A. · Gamsberg MacMillan; Namibia. · 2003 · ISBN 99916-0-491-X ↩︎Details of the traditional uses of over 200 species of plants in northeastern Namibia. Written for the non-expert, there is usually at least one photograph with each plant entry.