Product Description

Sources for Caryophyllaceae plants Pseudostellaria heterophylla (Pseudostellaria heterophylla Miq.) Pax ex Pax et Hoffm.. [identification] dry root slender bar or long fusiform, ca. 2 cm to 6 cm, diameter of 3 ~ 6 mm, surface yellowish white, translucent, with fine wrinkles and concave scar fibrous root, root tip obtuse, which often stem scars remain, such as the lower tapered tail. Crisp and easy to break, the section is yellowish white and bright, direct drying section is white, powder, gas micro, taste slightly sweet, with fatness, yellowish white, no roots is preferred. Microscopic identification: root cross section for the **6 column: phellem cork cells. Cortex parenchyma cell series, cut to extend. Phloem phloem ray width is narrow. Cambium ring significantly. Most of the xylem of root; wood ray is very broad; catheter single scattered or **3 bundle, arranged radially; primary xylem **4 prototype. The parenchyma cells are filled with starch grains, some containing clusters of calcium oxalate crystal diameter of ****0, m, from the xylem is easy to see.