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Guaiacum officinale
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Lignum vitae (Guaiacum officinale).
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Guaiacum officinale

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Lignum vitae (Guaiacum officinale).
Lignum vitae (Guaiacum officinale).

Guaiacum officinale, also known as lignum vitae, is a tree native to the tropical regions of the New World, found from the southern United States to northern South America. This evergreen tree typically grows to about 9 meters (30 feet) tall and has a diameter of approximately 25 cm (10 inches). Its leaves are leathery and divided into leaflets, and its flowers are bright blue, fading to white. The tree produces a yellow, heart-shaped fruit.1

The wood of Guaiacum officinale is exceptionally hard and heavy, with a brownish-green color. Its high fat content makes it relatively waterproof, and it has been used for items like pulleys, shafts, and bowling balls. A resin, known as guaiacum, can be extracted from the wood and has been used to treat respiratory ailments.12

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  2. guaiacum

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