Wan Nianhong, Qianribai, Celosia and Qianrihong belong to Amaranthaceae. Distributed in most parts of China, it not only has great medicinal value, but also is a raw material of scented tea suitable for clearing away heat and fire. In ancient times, people regarded the thousand-day red flower as a symbol of sincere friendship, so many stories were widely circulated.

Morphological characteristics:

The inflorescence is spherical and consists of most small flowers, with a diameter of 15 ~ 2 cm. There are often 2 leaflike involucral bracts at the base, which are green and densely villous at the lower surface; There are bracteoles 3 at the base of the floret, the outer wheel 1 oval, the inner wheel 2 triangular-lanceolate, purple-red, the perianth 5 purple-red, the outer part densely covered with white, slender; Stamens 5, filaments fused to form a tube; Ovary ovoid, stigma 2-lobed. Utricle is spherical. A slight breath, a faint taste.

The inflorescence is spherical and consists of most small flowers, with a diameter of 15 ~ 2 cm. There are often 2 leaflike involucral bracts at the base, which are green and densely villous at the lower surface; There are bracteoles 3 at the base of the floret, the outer wheel 1 oval, the inner wheel 2 triangular-lanceolate, purple-red, the perianth 5 purple-red, the outer part densely covered with white, slender; Stamens 5, filaments fused to form a tube; Ovary ovoid, stigma 2-lobed. Utricle is spherical. A slight breath, a faint taste.