An inflorescence. Rachis very short, top to expand, was flat discoid or spherical, many students do not stalk above the flowers. Such as chrysanthemum ﹑ sunflower inflorescence.
中文名称: 头状花序 英文翻译: Head 名称解释: 无柄或近无柄的花密集成簇而成的花序;菊科的具总苞花序。 英文解释: A dense cluster of sessile or subsessile flowers; the involucrate inflorescence of the Compositae (Asteraceae).