One, rhizome
The main root of the bars will be the shape of the cylindrical, the outer skin is gray -brown, the endothelium is light yellow, and the stem skin is gray -brown.Small branches are generally raw and have fine stripes.
Second, blades
The leaves of the bar willow are ovate-length, with a length of about 5-9 cm and a width of about 1.5-2.5 cm.The top is relatively pointed with a wedge at the bottom.The front of the leaves is dark green, and the color of the back is pale green.
Three, flowers
The corolla of the bars willow is purple -red, the corolla barrel is relatively short, the length is about 3 mm, and the crack is a long circular pins.Both the inflorescence and the stems are very thin, and the cracked slices of the calyx are ovate.Its stamens are all born in the inside of the auxiliary flower crown.