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O presente estudo anatômico da raiz de Vetiveria zizanioides (L.) Nash. teve por finalidade determinar a localização do óleo essencial. Para tal estudo foram preparadas lâminas de raízes de diversas idades; constatou-se que o óleo, na sua quase totalidade, encontra-se na camada de células anexas ao endoderma. As células do parênquima cortical que antecedem a referida camada apresentam óleo em pequena quantidade. No cilindro central não foi constatada existência alguma de gotículas de óleo. The morphological and anatomical characteristics of the root of Vetiveria zizanioides (L.) Nash, are described with special reference to the localization of the essential oil. Free-hand cross sections treated with Gueguein's specific oil stain revealed that most of the oil is stored in the cell layer close to the endodermis. A very little quantity is also found in the remaining cortical parenchyma, while a complete absence of oil was observed in the stele

Estudo anatômico para localização do óleo em raiz de Vetiveria zizanioides (L.) Nash