| Family Name | Brassicaceae |
| Scientific name | Isatis tinctoria |
| Common name | Dyer's woad |
| Growth habit | Annual or biennial herbaceous. Strong adaptability. Cold-resistant. Tolerant drought. |
| Leaf | Oblong-lanceolate stem leaves. Arrow-shaped base. |
| Flower | Blooms small yellow flowers in summer. Racemes. Synthetic panicles of branches |
| Fruit | Oblong flat pod. Winged edge. Mucronate. |
| More to learn | The stem and leaves of Isatis tinctoria can be made as color blue dyes. |
| Properties | Stem: Bitter tasting, clearing away heat and toxic. |
| Treats | Colds, viral infections, and infectious diseases. |
| Reference | General information on Isatis tinctoria Medical uses for Isatis tinctoria Pictures of Isatis tinctoria |