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Wood Anatomy Of Nolanaceae, Sherwin Carlquist
Wood Anatomy Of Nolanaceae, Sherwin Carlquist
Aliso: A Journal of Systematic and Floristic Botany
Wood of seven collections of six species of Nolana, a genus (18 spp.) of the central western coast of South America was studied for quantitative and qualitative features. The wood is ring porous, with moderately wide vessels bearing simple perforation plates and alternate pits with some grooves interconnecting slitlike pit apertures. Imperforate tracheary elements are fiber-tracheids with vestigial borders on pits or libriform fibers; vasicentric tracheids (reported for Nolanaceae for the first time) are present in varying numbers. Axial parenchyma is vasicentric scanty (sometimes absent), sometimes with tangential bands that may be terminal in part. Rays are both multiseriate and …