Parapiptadenia rigida
Species of tree
From Wikipedia, the free encyclopedia
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 (in Spanish angico is changed for anchico), guarucaia and paric.[2]
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| Parapiptadenia rigida | |
|---|---|
| |
| Tree in Brazil | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Clade: | Mimosoid clade |
| Genus: | Parapiptadenia |
| Species: | P. rigida |
| Binomial name | |
| Parapiptadenia rigida | |
 | |
| Range of Parapiptadenia rigida | |
| Synonyms[1] | |
| |
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Parapiptadenia rigida grows from about 18 to 30 m (59 to 98 ft) in height and it has a straight trunk which has slightly furrowed bark. The foliage is dark green and the flowers are greenish-yellow 5 to 9 cm (2.0 to 3.5 in) long. It blooms in the spring. The seed pods grow 9 to 16 cm (3.5 to 6.3 in) in length. The seeds are flat, oval and brown. It is found along the lengths of rivers.
Uses
Essential oils
Essential oils from the tree are becoming more widely recognized in industrial fragrance production.[3]
Gum
Gum from the tree can be used in the same way as gum arabic.[4]
Traditional uses
Extracts from the tree have astringent, expectorant, anti-diarrheal, and hemorrhage-arresting properties.[citation needed][5] It is used for its antiseptic properties in southern Brazil.[6] The bark has a high tannin content of 15.0%[7] and it is used in folk medicine as a bitter-tasting tonic and body cleanser.[citation needed] It is used to treat rickets, lack of appetite and muscle weakness.[8] Parapiptadenia rigida is psychoactive.[9][verification needed]
Tannin
Wood
Its dense, wood is resistant to the elements and is used for construction,[11] carpentry, beams for bridges,[8] poles and firewood.[12] The wood is said to be unaffected by insects including termites and it can last more than 20 years unpainted.
Mechanical properties
It has a "Janka Hardness" of 2300–3700 lb.,[13] a parallel "bending strength" of 16900 psi, a parallel "compression strength" of 8500 psi and a density of 720–1199 kg/m3[14][15] at a moisture content of 12–15%. Its modulus of elasticity is 157 801 kg/cm2.[16]
For hardwood flooring it is called "pepperwood".[13]