Pictetia aculeata

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]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]Monograph of Pictetia (Leguminosae-Papilionoideae) and Review of the Aeschynomeneae — Beyra A.M. & Lavin M. · American Society of Plant Taxonomists · 1999 · http://www.jstor.org/stable/25096650 · ISBN DOI: 10.2307/2509 ↩︎
4. [4]The Leguminosae; A Source Book of Characteristics, Uses and Nodulation — Allen O.N.; Allen E.K. · University of Wisconsin · 1981 · ISBN 0-333-32221-5 ↩︎An amazing and comprehensive work, giving a brief guide to the many genera of the family Fabaceae and also the principle uses of the genus.