Vessel element and fiber length variation in successive cambia of Iresine latifolia (Amaranthaceae)
Keywords: Caryophyllales; Shrub; Secondary xylem; Cambial variant; Meristematic center; Nucleated libriform fibers; Caryophyllales; Arbusto; Xilema secundario; Variante cambial; Centro meristemático; Fibras libriformes nucleadas;