Hyptis suaveolens
 Hyptis suaveolens pignut or chan is a branching pseudocereal plant native to tropical regions of Central and South America. It is generally 1–1.5 m (3.3–4.9 ft) tall occasionally up to 3 m (9.8 ft). Stems are hairy and square in cross section. Leaves are oppositely arranged 2–10 cm (0.79–3.94 in) long with shallowly toothed margins and emit a strong minty odor if crushed. Flowers are pink or purple arranged in clusters of 1-5 in the upper leaf axils.