Guaiacum officinale (Lignum Vitae) is a species of tree in the family Zygophyllaceae. They have a self-supporting growth form. They are listed as endangered by IUCN and in cites appendix ii. They are native to Puerto Rico, U.S. Virgin Islands, and The Contiguous United States. They have simple, broad leaves and blue flowers. Individuals can grow to 45 feet.
EOL has data for 64 attributes, including: