Plant form:
Height 15-50cm, fishy odor. The lower part of the stem is prostrate, rooted, and the upper guo is upright. The leaves are alternate, heart-shaped or broadly ovate, 3–8 cm long and 4–6 cm wide, with a sharp apex, full margin, with fine glandular spots, soft hairs on the veins, purple-red below, petioles 3–5 cm long, strips of leaves, and the lower half is sheathed with the petiole. The spike-like inflorescences are borne at the top of the stem, opposite the leaves, with white petal-like bracts with 4 plates at the base, small flowers, no flower induments, a linear bract, stamens 3, the lower part of the filigree and the ovary, the heart skin 3, the lower part of the synophysis. The capsule is ovoid and the apex is cracked.
Dried houttuynia cordata shape:
The stem is flattened cylindrical, twisted, yellow-brown on the surface, with several longitudinal edges, and is brittle and easy to break. The leaves are curled and crumpled, flattened to appear heart-shaped, with a dull yellow-green to dark brown upper surface and a grayish green or grayish brown lower surface. The spike-like inflorescence is yellowish brown.
Production:
In summer, the stems and leaves are luxuriant, and the flower spikes are harvested for many times, removing impurities and drying them in the sun.
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