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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.3 no.1 Manaus Apr. 1973 


Anatomia de Anacardium spruceanum Bth, Ex Engl. (Anacardiaceae da Amazônia).

José Elias de Paula* 

José Luiz de Hamburgo Alves** 

*— Universidade de Brasília.

**— Universidade Federal de Pernambuco.


Neste trabalho é estudada a anatomia do caule, lâmina foliar, pecíolo, madeira, fruto e semente de Anacardium spruceanum. Foram consideradas as estruturas primárias indiferenciada (meristema primário), primária diferenciada e secundária. São investigadas a origem dos canais secretores e a natureza das substâncias por eles secretadas.


In this paper the authors studied the anatomy of the stem, the leaf, the fruit, the pseudo-fruit, and wood of the Anacardium spruceanum (Anacardiaceae of the Amazon Region). In Anacardium spruceanum the secretory canals are schyzolysigenus. Thees have origen in the embryon in primary structure and secondary structure; occur in the cortical parenchyma, in the pith, and phloem. In the mesocarp there are cavities, with the wall covered with secretory hairs. The wood with paratracheal parenchyma is vasicentric; homogenous rays occur 1-2 seriate; fine fibres are numerous; foliar epidermis have glandular hairs.

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