Species of flowering plant
 ;templatestyles src="Template:Taxobox/core/styles.css" / ;
Aster ageratoides (common name, balsam aster) is a perennial flowering plant in the family Asteraceae. It is endemic to eastern Asia.
Description.
"A. ageratoides" is a clump-forming, herbaceous perennial growing to a height of approximately . Leaves are dark green, toothed, lanceolate and entire. Flowers are stellate, generally violet, pink or bluish in colour, with yellow centres, flowering from early to late autumn. Fruit is an achene, brown in colour, measuring about in length.
Distribution and habitat.
"A. ageratoides" is widely distributed throughout Asia, including China, Korea, Japan, Taiwan, where it is usually found in mountainous regions at elevations between .
Medicinal use.
Ongoing research suggests that "Aster ageratoides" extract may help attenuate Alzheimer's disease-associated cognitive deficits and improve the symptoms of vascular dementia. 
References.
 ;templatestyles src="Reflist/styles.css" / ;