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Parapiptadenia rigida is a perennial shrub or tree. It is not a threatened species. It is native to Argentina, Brazil, Paraguay and Uruguay. Common names include Angico, Angico-cedro, Angico-do-banhado, Angico-dos-montes, Angico-verdadeiro, Angico-vermelho, Guarucaia and Paric.
Parapiptadenia rigida grows from about 18m to 30m in height and it has a straight trunk which has slightly furrowed bark. The foliage is dark green and the flowers are greenish-yellow 5cm to 9cm long. It blooms in the Spring. The seed pods grow 9cm to 16cm in length. The seeds are flat, oval and brown. It is found along the lengths of rivers.
Additional recommended knowledge
"Essential oils" from the tree are becoming more widely recognized in industrial fragrance production.
The tree has astringent, expectorant, anti-diarrheal, antiseptic and hemmorage-arresting properties. It is used for its antiseptic properties in southern Brazil. The bark has a high tannin content of 15.0% and it is used in folk medicine as a bitter-tasting tonic and body cleanser. It is used to treat rickets, lack of appetite and muscle weakness. Parapiptadenia rigida is psychoactive.
Its dense, wood is resistant to the elements and is used for construction, carpentry, beams for bridges, poles and firewood. The wood is said to be unaffected by insects including termites and it can last more than 20 years unpainted.
It has a "Janka Hardness" of 2300-3700 lb., a parallel "bending strength" of 16900 psi, a parallel "compression strength" of 8500 psi and a density of 720-1199 kg/m³ at a moisture content of 12-15%. Its modulus of elasticity is 157 801 kg/cm².
For hardwood flooring it is called "Pepperwood."
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Parapiptadenia_rigida". A list of authors is available in Wikipedia.|