Guaiacum sanctum (Holywood Lignum Vitae) is a species of shrub in the family Zygophyllaceae. They have a self-supporting growth form. They are listed as near threatened by IUCN and in cites appendix ii. They are native to Puerto Rico and The Contiguous United States. They have simple, broad leaves and blue flowers. Flowers are visited by Large Orange Sulphur. Individuals can grow to 15 m.
EOL has data for 67 attributes, including: