petalless
/'petles/of flowers; having no petals
adjective [原级] 无瓣的
Perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts. 美国东部的多年生植物，先开单生的黄色花、继而是无瓣的花；在第一次霜冻时有冰晶结在花上。
后缀: less
【adjective】 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality
原词: petalless
是通过后缀 【less】 构成的派生词
