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Common names include Texas guaiacum, Texas lignum-vitae, soapbush and huayacán. It is native to southern and western Texas [ 4 ] in the United States and northern Mexico . [ 3 ] The specific name is derived from the Latin angustus , meaning "narrow," and -folius , meaning "-leaved".
Lignum vitae is hard and durable, and is also the densest wood traded (average dried density: ~79 lb/ft 3 or ~1,260 kg/m 3); [4] it will easily sink in water. On the Janka scale of hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4,390 lbf (compared with Olneya at 3,260 lbf, [5] African blackwood at 2,940 lbf, hickory at 1,820 ...
Guaiacum sanctum, commonly known as holywood, lignum vitae [4] or holywood lignum-vitae, is a species of flowering plant in the creosote bush family, Zygophyllaceae. It is native to the Neotropical realm , from Mexico through Central America , Florida in the United States , the Caribbean , and northern South America . [ 5 ]
The invention of the use of Guaiacum for syphilis. The genus is famous as the supplier of lignum vitae, which is the wood of several species in the genus. [citation needed] It is the fourth-hardest variety of wood as measured by the Janka hardness test, requiring a force of 4,500 lb f (20,000 N) to embed a steel ball 0.444 in (1.13 cm) in diameter half that distance into the wood.
The seat is made from the dense hardwood called Lignum vitae. In this case the Lignum vitae is from the Guaiacum officinale tree. [1] This tree's flowers are the national flower of Jamaica. [2] The small chair is made in the form of a man on all fours. The head is decorated with gold and the figure is carved with male genitals underneath. [3]
Sophora howinsula, commonly known as lignum vitae or Lord Howe kowhai, is a flowering plant in the legume family. The specific epithet refers to the island to which the species is endemic. [ 1 ]
Guaiacum officinale is one of two species yielding the true lignum vitae, the other being Guaiacum sanctum.Guaiac, a natural resin extracted from the wood, is a colorless compound that turns blue when placed in contact with substances that have peroxidase activity and then are exposed to hydrogen peroxide.
Stave bearings in ships must resist the forces in the bearing and offer adequate lubrication from the water alone. They must also survive long-term immersion without rotting, softening or swelling. The historical material used for this was the tropical hardwood timber lignum vitae. In modern practice, Tufnol is often used. [1]
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