Calophyllum walkeri

References

1. [1]Journal of the Arnold Arboretum Vol 61 — Harvard University · 1980 · http://www.biodiversitylibrary.org · ISBN 0004-2625 ↩︎A treatment of the Asian species of Colophyllum is just one of the articles in this publication. It can be downloaded from 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]Dictionary of Economic Plants. — Uphof. J. C. Th. · Weinheim · 1959 · ISBN - ↩︎An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.