How to identify the sedge

1. Rhizome

The main root of the willow is cylindrical in shape, with gray-brown outer bark, light yellow inner bark, and gray-brown stem bark. Branchlets are generally opposite and have fine stripes.

2. Blades

The leaves of the willow are ovate-oblong, about 5-9 cm long and 1.5-2.5 cm wide. The top is relatively pointed and the bottom is wedge-shaped. The color of the front of the leaf is dark green and the color of the back is light green.

3. Flowers

The corolla of the willow is purple-red, the corolla tube is relatively short, about 3 mm long, and the lobes are oblong-lanceolate. The peduncle and pedicel are very thin, and the lobes of the calyx are oval. Its stamens are all grown on the inner surface of the corona, which is ring-shaped with the top curved inward.