Warburgia stuhlmannii

References

1. [1]Field Guide to the Moist Forest Trees of Tanzania. — Lovett J.C.; Ruffo C.K.; Gereau R.E.; Taplin J.R.D · Frontier · http://www.york.ac.uk/res/celp/webpages/projects/ecology/tree%20guide/introduction.htm · ISBN 1-873070-33-0 ↩︎A lovely little book giving a basic identification guide to more than 650 species of trees growing in Tanzania. It is also available to view on the internet.
2. [2]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
3. [3]World Agroforesty Centre — http://www.worldagroforestry.org/ ↩︎An excellent online database of a huge range of trees giving very good information on each plant - its uses, ecology, identity, propagation, pests etc.