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Paubrasilia echinata is a species of flowering plant in the legume family, Fabaceae, that is endemic to the Atlantic Forest of Brazil. [4] [5] It is a Brazilian timber tree commonly known as Pernambuco wood or brazilwood [6] (Portuguese: pau-de-pernambuco, pau-brasil; [6] Tupi: ybyrapytanga [7]) and is the national tree of Brazil. [5]
Brazilwood or Brazil from Brazil, producing a red dye. Catechu or cutch from Acacia wood, producing a dark brown dye. [1] Old Fustic from India and Africa, producing a yellow dye. [2] Logwood from Belize, producing a red or purple dye. [3]
The heartwood is used to produce dye for wool and cotton cloth and a pink colouring used in pharmaceuticals and toothpaste. The pigments hematoxylin and hematein can be extracted and are complex phenols similar to bioflavonoids. Extracts of hardwood chips are used as remedies by the Tarahumara Indians. [5]
Aluminium mordants used with brazilin produce the standard red colors, while the use of a tin mordant, in the form of SnCl 2 or SnCl 4 added to the extract is capable of yielding a pink color. An alternative preparation which produces a transparent red color involves soaking the brazilwood powder in glair or a solution of gum arabic. Alum is ...
Sappanwood is related to brazilwood (Paubrasilia echinata), and was itself called brasilwood in the Middle Ages. [4] Biancaea sappan can be infected by twig dieback (Lasiodiplodia theobromae). [5] This plant has many uses. It has antibacterial and anticoagulant properties.
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Paubrasilia, commonly called Pernambuco or Brazilwood, is the most sought-after material for the bows of classical stringed instruments, because of its effects on the tones they produce. [6] Blackwood (Tasmanian/Australian). [7] Walnut is often used for the backs and sides of guitars and mandolin family instruments. [8]
Brazilwood should link to it, which is seems to already do. There already is a section the notes the term Brazilwood as at times been applied to other species, which as probably lead to some confusion in both historical and modern text. Clearly none of this is helped by the recent taxonomic revision of the genus.