1.紫草
2.〈古〉美洲血根草
3.〈古〉紫草染料
1.a plant whose roots yield a reddish dye, e.g. gromwell or bloodroot.
2.a dye made from puccoon
1.Need is alexipharmic , choose flea to rest, half branch lotus, Long Kui, Asian puccoon;
需要解毒的,就选蚤休、半枝莲、龙葵、紫草等;