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Microscopy and histochemistry of Ocotea nutans (Nees) Mez (Lauraceae)

2020; Elsevier BV; Volume: 273; Linguagem: Inglês

10.1016/j.flora.2020.151708

1618-0585

Fernando Cesar Martins Betim, Vanessa Barbosa Bobek, Camila Freitas de Oliveira, Obdúlio Gomes Miguel, Vijayasankar Raman, Jane Manfron Budel, Marílis Dallarmi Miguel, Josiane de Fátima Gaspari Dias,

Traditional and Medicinal Uses of Annonaceae

This article enumerates the anatomy of the leaves, petioles and stems of Ocotea nutans (Lauraceae) illustrated with optical and scanning electron micrographs. The anatomical markers include the presence of sclerenchyma in the midrib and the absence of trichomes in the leaves. The presence of brachysclereids and prismatic crystals in the petioles and stems is new to the genus Ocotea and reported here for the first time. The key findings of the present study can contribute to the taxonomy and quality control of Ocotea nutans.