Knotweed

Knotweed

(essential preparation of raw herbs)

[synonym] knobby vegetable, green butterfly, green Emei, dazhuhua, woqingcao ("save wasteland Materia Medica"), bamboo vegetable, Commelina communis ("Lingnan medicine collection record").

[source] it is the whole plant of Commelinaceae.

[plant morphology] Phyllostachys pubescens

Herbaceous perennial. Stems weak, creeping on the ground, rooting on nodes, or semi climbing. Leaves lanceolate or ovate, 3-7 cm long, 1-1.5 cm wide, apex short pointed or acuminate, bald or pubescent; sheaths often have small red spots and eyelashes. The spathe is petiolate, ovate lanceolate, folded, 1.5-2.5 cm long, apex short pointed or acuminate, base round or heart-shaped, bald or hairy, with longitudinal lines and indistinct transverse lines, 1-3 cm long; cymes in 1 bract, 1-3 flowers in the lower part, 1-2 flowers in the upper part, solid; sepals 3; petals 3, blue or 1 pale white outside; hairs 3 The ovary is 3-locular, including 2 ovules in 2 locules and 1 ovule in dorsal locule. Capsule. Seeds black, reticulate and deep dens. The flowering period is summer and autumn.

Born in a damp place. It is distributed in most parts of the country.

[collection] harvest from June to July and dry in the sun.

[nature and taste] "preparation of raw herbal medicine:" it is light in taste and cold in nature. "

[functions and indications] ① preparation of raw herbal medicine: "it can treat white turbidity, eliminate heat and toxin, and promote urination. "

② "The record of Lingnan medicine collection" says: "the root is smashed, and the sores and boils are applied. "