Efficacy of Aster yunnanensis

Efficacy of Zi Yuan's leaf drilling: Zi Yuan's leaf drilling has the effects of clearing away heat and toxic materials, relieving cough and asthma, resisting bacteria and diminishing inflammation. Can be used for treating cough, pulmonary tuberculosis, purulent blood, dysuria, excessive phlegm, chest distress and shortness of breath, insomnia, dreaminess, amnesia, white tongue coating, headache, fatigue, chronic bronchitis, upper respiratory tract infection, pharyngitis, tonsillitis, etc.

Has the functions of preventing cancer and inhibiting the regeneration of cancer cells. It can eliminate Escherichia coli, Staphylococcus aureus and Streptococcus albicans. It can also relieve postpartum weakness and postoperative weakness of women.

Morphological characteristics of Aster subulata

Annual herb, (8-)20- 100(- 150) cm tall. The taproot is cylindrical, tapering downward, 5- 17 cm long and 2-5 mm thick, with many lateral roots and fibrous fine roots. Stem solitary, erect, base 1-6 mm thick, base or middle or upper part multi-branched, edge thick, smooth and hairless, base or lower part or sometimes whole purplish red.

The basal leaves withered at flowering stage; Cauline leaves are numerous, needle-shaped and linear, extremely sparse, narrowly lanceolate, 2- 10(- 15) cm long and 0.2- 1.2(-2.3) cm wide. Sharp or acute, the base gradually narrows, the edge is usually entire, the small sharp teeth are rare and far away, and the two sides are green.

Refer to the above content: Baidu Encyclopedia-Aster Dried Leaves