Pau brasil  (Caesalpinia echinata)

Deciduous: a plant that sheds its leaves at the end of the growing season.
Endemic: a species or taxonomic group that is only found in one particular country or geographic area.
Inflorescence: the reproductive shoot of the plant, which bears flowers (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure)
Leaflets: the individual 'leaf-like' parts of a compound leaf.
Subspecies: a different race of a species, which is geographically separated from other populations of that species.

1. IUCN Red List (January, 2003)
   www.redlist.org
   
2. 2) Lewis, G.P. (1998) Caesalpinia: a revision o the Poincianella-Erythrostemon Group. Royal Botanic Gardens, Kew.
   
3. Brazilian Trees (January, 2003)
   http://translate.google.com/translate?hl=en&sl=pt&u=http://www.plantarum.com.br/pau-brasill.html&prev=/search%3Fq%3DCaesalpinia%2Bechinata%2B%26hl%3Den%26lr%3D%26ie%3DUTF-8
   
4. Global Trees Campaign (January, 2003)
   http://www.globaltrees.org/default.asp
   
5. UNEP-WCMC Species Sheets (January, 2003)
   http://www.unep-wcmc.org/trees/trade/cae_ech.htm
   
6. Amainan Brasil (January, 2003)
   http://www.amainan.org
   
7. Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renovaveis (January, 2003)
   http://www.ibama.gov.br