Houttuynia perennial herb, 15-50cm high, with odor. The lower part of the stem is volcanic, rooted and erect. Leaves alternate, heart-shaped or broadly ovate, 3-8 cm long, 4-6 cm wide, apex acuminate, entire, pubescent, pubescent on veins, purplish red below; petiole 3-5 cm long; stipules Strip shape, the lower part is combined with the petiole to form a sheath.
Spikes born at the top of the stalk, opposite to the leaves,with white petal-like sepals at base; flowers small; stamens 3,
lower part of filaments sate; carpel 3 The lower part is conjoined. Capsule ovoid, apex cleft.
Flowering period from May to August, fruiting period from July to October. Born in the mountains, ditch, pond, Sichua
or Linxia wetlands.