Achenes opaque ; ocrea shortly ciliate , cilia 0.4-1 mm .

瘦果不透明；托叶鞘不久纤毛，缘毛0.4-1毫米。

Ocrea shortly ciliate , cilia 0.4-1 mm .

托叶鞘不久纤毛，缘毛0.4-1毫米。

Leaves simple , often dimorphic , fugacious or persisting , basal and cauline , alternate , margin entire or undulate ; ocrea tubular , membranous , margin entire .

单叶，通常二形的，先落或持续，基生和茎生，互生，边缘全缘或波状；托叶鞘管状，膜，边缘全缘。