Fig. 2From: Phytochemical and pharmacological investigation of Spiraea chamaedryfolia: a contribution to the chemotaxonomy of Spiraea genusTransverse section of the root of S. chamaedryfolia. Transverse sections of the secondary root of Spiraea chamaedryfolia, unstained (I), stained with 1% toluidine blue (II) and treated with Dragendorff reagent (III). (P periderm, C cortex, PC primary cortex, SC secondary cortex, X xylem, SX secondary xylem, MR medullary ray)Back to article page