- Mustard (Brassicaceae; old, Cruciferae)
- dry, forest shade; grows apart from other flowers
- Leaves are narrow, alternate along the stem. Basal leaves are toothed. The orange to yellow flowers grow in a compact terminal raceme. Each flower consists of four petals, forming seed pods when finished blooming.
- May through August; LV, RV, TV
- Wallflower was used by early herbalists for treating toothaches, headaches and sunburn.