千屈菜

　　千屈菜，拉(la)丁學名：LythrumsalicariaL.千屈菜科(ke)、千屈菜屬(shu)多年生草本，根莖橫臥(wo)于地下(xia)，粗壯；莖直(zhi)(zhi)立，多分枝，全株青綠色，略被粗毛或密被絨毛，枝通常具(ju)4棱。葉對生或三葉輪生，披針(zhen)形(xing)(xing)(xing)(xing)或闊披針(zhen)形(xing)(xing)(xing)(xing)，頂端鈍形(xing)(xing)(xing)(xing)或短尖，基(ji)部圓形(xing)(xing)(xing)(xing)或心形(xing)(xing)(xing)(xing)，有(you)時略抱莖，全緣，無柄。花(hua)組成小聚傘(san)花(hua)序，簇(cu)生，因(yin)花(hua)梗(geng)及總(zong)梗(geng)極短，因(yin)此花(hua)枝全形(xing)(xing)(xing)(xing)似一大型穗(sui)狀(zhuang)花(hua)序；苞片闊披針(zhen)形(xing)(xing)(xing)(xing)至(zhi)三角(jiao)(jiao)狀(zhuang)卵形(xing)(xing)(xing)(xing)，三角(jiao)(jiao)形(xing)(xing)(xing)(xing)；附屬(shu)體針(zhen)狀(zhuang)，直(zhi)(zhi)立，紅紫色或淡紫色，倒披針(zhen)狀(zhuang)長橢圓形(xing)(xing)(xing)(xing)，基(ji)部楔形(xing)(xing)(xing)(xing)，著生于萼(e)筒(tong)上部，有(you)短爪，稍(shao)皺(zhou)縮；伸出(chu)萼(e)筒(tong)之外；子(zi)房2室，花(hua)柱長短不一。蒴果扁圓形(xing)(xing)(xing)(xing)。