Bamboo Root is a kind of traditional Chinese medicine, also known as bamboo bark, green bamboo, light bamboo, bamboo two green, green sub-bamboo.

The bamboo root can be harvested throughout the year, take fresh stems, remove the outer skin, scrape the slightly green middle layer into a silk strip, or cut into thin slices, bundled into bundles, Yin in. The former is called "scattered bamboo bamboo", the latter is called "Qi Zhu Ru".

Introduction of bamboo varieties:

Green culm bamboo, mostly born in the flatlands, hills. Distributed in Guangdong, Guangxi. Bamboo with large head, born on slopes, flat land or roadsides. Distributed in Guangdong, Hainan and Guangxi.

Light bamboo, mostly born in the hills and plains, is distributed in the Yellow River basin to the Yangtze River basin and the Qinling Mountains in Shaanxi, especially in Jiangsu, Zhejiang, Anhui, Henan, Shandong and other provinces.

Physiological characteristics of different varieties of bamboo:

1, green culm bamboo. The plant is woody and arborescent. The plant is tufted and unarmed. Rod erect or suberect, up to 15 m tall, ca. 6 cm in diam. apical part not drooping, rod with more branches at nodes; internodes cylindrical, rod internodes and culm sheaths smooth and glabrous.

2, big head canonical bamboo. Plant woody, is tree-like. Culm sheaths sparsely covered with black-brown, adnate anteriorly oriented prickly hairs on back; ligule base narrower; ligule longer, ca. 5 mm.

Spikelets usually straw-yellow; palea dorsiventrally pilose, ridges with longer and denser ciliate hairs. Leaf sheaths usually hairy; ligule longer as well as lemma dorsally sparsely pilose. Flowering period March to May, shoots June to July.