Parapiptadenia rigida

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Parapiptadenia rigida
Parapiptadenia rigida.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Mimosoideae
Genus: Parapiptadenia
Species: P. rigida
Binomial name
Parapiptadenia rigida
(Benth.)Brenan
Parapiptadenia-rigida-range-map.png
Range of Parapiptadenia rigida
Synonyms
  • Piptadenia rigida Benth.
  • Piptadenia rigida var. grandis Lindm.[1]

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.[1]

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 5 cm to 9 cm long. It blooms in the Spring. The seed pods grow 9 cm to 16 cm in length. The seeds are flat, oval and brown. It is found along the lengths of rivers.

Uses[edit]

Essential oils[edit]

"Essential oils" from the tree are becoming more widely recognized in industrial fragrance production.[2]

Gum[edit]

Gum from the tree can be used in the same way as gum arabic.[3]

Traditional uses[edit]

Extracts from the tree have astringent, expectorant, anti-diarrheal, and hemmorage-arresting properties.[citation needed][4] It is used for its antiseptic properties in southern Brazil.[5] The bark has a high tannin content of 15.0%[6] 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.[7] Parapiptadenia rigida is psychoactive.[8][verification needed]

Tannin[edit]

The tree's bark contains 15.0% tannin.[9]

Wood[edit]

Its dense, wood is resistant to the elements and is used for construction,[10] carpentry, beams for bridges,[7] poles and firewood.[11] The wood is said to be unaffected by insects including termites and it can last more than 20 years unpainted.

Mechanical properties[edit]

It has a "Janka Hardness" of 2300-3700 lb.,[12] a parallel "bending strength" of 16900 psi, a parallel "compression strength" of 8500 psi and a density of 720–1199 kg/m³[13][14] at a moisture content of 12-15%. Its modulus of elasticity is 157 801 kg/cm².[15]

For hardwood flooring it is called "Pepperwood."[12]

References[edit]

  1. ^ a b International Legume Database & Information Service (ILDIS)
  2. ^ Perfumer and Flavorist Magazine
  3. ^ Anadenanthera: Visionary Plant of Ancient South America By Constantino Manuel Torres, David B. Repke, p. 98
  4. ^ PDF Múltiplos Usos de Espécies Vegetais Pela Farmacologia Guarani Através De Iinformações Històricas[dead link]
  5. ^ Bionews Online
  6. ^ Google Books Anadenanthera: Visionary Plant of Ancient South America By Constantino Manuel Torres, David B. Repke p. 96
  7. ^ a b Árvoresdeirati[dead link]
  8. ^ Index of Rätsch, Christian. Enzyklopädie der psychoaktiven Pflanzen, Botanik, Ethnopharmakologie und Anwendungen, 7. Auflage. AT Verlag, 2004, 941 Seiten. ISBN 3-85502-570-3 at [1]
  9. ^ Anadenanthera: Visionary Plant of Ancient South America By Constantino Manuel Torres, David B. Repke
  10. ^ Florestar Estatístico
  11. ^ Bericht ueber die Exkursion des Lehrstuhls fuer Vegetationsoekologie durch Suedamerika 2005
  12. ^ a b J.G. Architectural
  13. ^ Argentinean Hard Woods
  14. ^ World AgroForestry
  15. ^ Ficha Técnica: Anchico Colorado (Spanish)

External links[edit]