菊科,多年生草本。全株光滑幾無毛,內含白色乳汁,根粗大。葉基生,叢生,披針形,葉片伏地或斜上,葉緣深裂為羽狀,先端銳尖。花梗由根莖先端伸出,單一,不分枝,頭狀花序,黃色花,花展開時,外層略向外彎,舌狀,內層線狀披形,銳尖,花期在春季。瘦果帶傘狀冠毛。 圖二:瘦果 圖三:植株
Please enable JavaScript to view the comments powered by Disqus.