Da Huang 大黃 - Rhei Radix Et Rhizoma

Scientific Name: 

1. Rheum palmatum L.
2. Rheum tanguticum Maxim. ex Balf.
3. Rheum officinale Baill.          

Chinese Species Name:

1. 掌叶大黄
2. 唐古特大黄
3. 药用大黄

Common English Name:

1. Rhubarb 

** Note: Actual product may vary due to different harvest time, different cutting methods, or different batches.