Wood anatomy of the Mexican species of Salvia section Erythrostachys EPL . ( Lamiaceae )
AbstractThe wood anatomy of Salvia pubescens, S. regla, and S. sessei is described. These species are included within the section Erythrostachys, subgenus Calosphace, genus Salvia. Two samples were collected for each species to obtain permanent slides. Transverse, radial and tangential sections were used to describe the anatomy of each taxon. The wood has ring porosity, the tangential vessel diameter is small (34-85 μm), the vessel elements are short (94-257 μm) with alternate pitting, helical thickenings and simple perforation plates. Vasicentric tracheids are present. Axial parenchyma is paratracheal scanty, apotracheal diffuse, and marginal. Rays are uniseriate and multiseriate, heterogeneous, aggregate and non aggregate. Libriform fibers are septate and non septate. Gums, tyloses, starch grains and prismatic crystals were observed. These features agree with previous reports for the genus.
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