Cordia sulcata

References

1. [1]Common Trees of Puerto Rico and the Virgin Islands — Little E.L.; Wadsworth F.H. · USDA, Forest Service; Washington. · 1964 ↩︎Contains detailed information, and usually an illustration, on 250 tree species, including both native and exotic species.
2. [2]Annals of the Missouri Botanical Garden Vol. 76 — Missouri Botanical Garden · 1989 ↩︎An excellent botanical publication, available for download from the Internet. This volume contains a monograph of the genus Zapoteca (Calliandra) amongst other things.
3. [3]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.
4. [4]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
5. [5]Fruits of the Guianan Flora — van Roosmalen. M.G.M. · Institute of Systematic Boyany, Utrecht University; Netherlands. · 1985 · ISBN 90-9000988-4 ↩︎Terse descriptions of over 1,700 species from the Guianas that bear fruits - not necessarily edible! Often mentions if the fruit is edible, plus gives brief description of habit and habitat.