The shape and structure of inflorescences distinguish pions and hrizantemovidnye, spherical inflorescences, etc. -large flower, double, semi-double and nemahrovye from pure white to dark blue and bright red color, different shapes. Decorative asters depends on the number of rows of ray flowers, which are located on the edge of the inflorescence, the more of them, the higher the doubleness and decorative inflorescences. Tubular flowers are five-blade corolla with fused petals, often yellow shades. Five stamens with anthers fused into a tube, through which the column, filaments free. Lozhnoyazychkovye flowers have female type to the top three teeth and pestle. Depending on the ratio and tubular flowers in the inflorescence lozhnoyazychkovyh all varieties of asters are divided into three classes: tubular, transitional, Reed. Inflorescence asters class tubular consist only of tubular flowers. Transition class is characterized in that the decorative inflorescence consists of tubular and ray flowers. Reed class represents the types of asters, which create decorative inflorescences ligulate flowers, varying in length, width, shape, configuration and structure. First on a basket of petals bloom extreme ranks. Duration of flowering inflorescences from 15 to 50 days. Seeds ripen in 35-40 days after flowering.
Fruit -achene narrowly shirokoklnnovidnoy or forms that are from 3 to 5 mm. Seeds are painted in bright straw-brown tones. In dark-colored varieties of seeds with dark red and dark blue colors. Do tall seeds are slightly larger compared with stunted. Germination of stored up to three years. Development cycle from seed to seed lasts up to 6 months. Not all varieties produce the same amount of seed, the smallest needle and lay hrizantemovidnye.
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