asters is a form of:

Aster



noun
1.
ផ្កាម្យ៉ាងស្រដៀងនឹងផ្កាឈូករ័ត្ន
ENGLISH MEANING
noun
1.
A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.
2.
A plant of the genus Callistephus. Many varieties (called China asters, German asters, etc.) are cultivated for their handsome compound flowers.
3.
A star-shaped figure of achromatic substance found chiefly in cells dividing by mitosis.