Anadenanthera colubrina var. colubrina
Encyclopedia
Anadenanthera colubrina var. colubrina is a tree native to Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 and Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. Common names for it include Angico, Angico-brabo-liso, Angico-cambui, Angico-coco, Angico-escuro, Angico-liso, Angico-vermelho, Aperta-ruao and Cambui-angico.

Growth

Anadenanthera colubrina var. colubrina normally grows to a height of about 10–20 m, but occasionally it will be seen up to 30 m tall. It can be found growing at an altitude of 100–1200 m in areas with 1200–2000 mm/year annual rainfall.

The tree's bark has a thickness of about 4–10 mm. The outside surface is nearly smooth. It is gray, black speckled and resembles snake skin, after which it was once given a scientific designation.

Medicinal uses

This tree has recorded medicinal uses and the bark contains 16.4% tannin
Tannin
A tannin is an astringent, bitter plant polyphenolic compound that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids.The term tannin refers to the use of...

. The wood is hard to very hard and it has a density of 0.80-1.10 g/cm³. It is used for firewood
Firewood
Firewood is any wood-like material that is gathered and used for fuel. Generally, firewood is not highly processed and is in some sort of recognizable log or branch form....

, charcoal
Charcoal
Charcoal is the dark grey residue consisting of carbon, and any remaining ash, obtained by removing water and other volatile constituents from animal and vegetation substances. Charcoal is usually produced by slow pyrolysis, the heating of wood or other substances in the absence of oxygen...

, floors, beams, posts, stakes, boat construction and general construction.
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