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logwood |
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logwood, small, thorny tree (Haematoxylon campechianum) of the family Leguminosae (pulse pulse, in botany, common name for members of the Fabaceae (Leguminosae), a large plant family, called also the pea, or legume, family. Numbering about 650 genera and 17,000 species, the family is third largest, after the asters and the orchids. ..... Click the link for more information. family) native to tropical America and introduced into other tropical regions. The brown-red heartwood is the source of the dye haematoxylin and was exported to Europe as a major purple textile dye from the 16th cent. until the development of synthetic aniline dyes. It is still used more than are most natural dyes—as a histological stain, for ink, and as a special-purpose dye. Local names for the wood include campeachy wood and blackwood. The name logwood is sometimes applied to other similar woods. Logwood is classified in the division Magnoliophyta Magnoliophyta (măg'nōlēŏf`ətə) ..... Click the link for more information. , class Magnoliopsida, order Rosales, family Leguminosae. |
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They decided that it was imperative to ensure the least possible disturbance of the site the contour at which the sand dunes of the desert meet the microclimate created by Uluru, where bearded grass, umbrella bush and bloodwood trees begin to dominate the desert oaks and spinifex of the endless shifting sandy plains. |
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