Source: Is the commelina communis l. Overground part.
Proportion and content: 10: 1, 50: 1, 100: 1
Chemical composition: The whole herb contain delphin, phlegm, flower contain commelinin, flavocommelin, awobanin etc; The seed contain fatty oil.
Property and flavor: The character is cold, sweet flavor, tasteless.
Function: Clearing away heat and toxic materials, inducing diuresis to alleviate edema. Used for wind-heat type common cold, High fever is not retreated, swelling and pain in throat, Edema less urine, Hot forest acerbity pain, Furuncle swollen pain.
Plant morphology Annual herb, high is 20 ~ 60 cm. Stem base prostrate, upper upright, micro coat, lower smooth, slightly swollen section, its root. Simple alternate, lanceolate or ovate-lanceolate, long 4 ~ 9 cm, wide 1.5 ~ 2 cm, base decurrent into membranous sheath, amplexicaul, is predestined friends the hairs; Sessile or a few sessile. Cyme flowering 1 ~ 4 -flowered; Involucre heart shape oval, long 1.2 ~ 2 cm, margin convolution folding, base not connected, shank; Sepals 3, membranous, Petals 3, dark blue, have long claws; Stamens 6, 3 pieces can education; Ovary ovoid, 2 room. Capsule elliptic. Flowering 5 ~ 9 months, fruiting 6 ~ 11 months. Born in the roadside, tanabe, river bank, ruderal, slopes and forest edge sheltered places. Mainly produced in the southeast in our country. System summer, autumn harvest, sun-dried.