千屈菜3

　　千屈(qu)菜(cai)，拉丁學(xue)名：LythrumsalicariaL.千屈(qu)菜(cai)科、千屈(qu)菜(cai)屬多(duo)年生草本，根莖(jing)橫臥(wo)于地下，粗壯(zhuang)；莖(jing)直(zhi)立，多(duo)分枝(zhi)，全株青綠色(se)，略(lve)(lve)被粗毛(mao)或密被絨(rong)毛(mao)，枝(zhi)通常具4棱。葉對生或三葉輪(lun)生，披(pi)針(zhen)(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)(xing)或闊(kuo)披(pi)針(zhen)(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)(xing)，頂端鈍(dun)形(xing)(xing)(xing)(xing)(xing)(xing)(xing)或短(duan)尖，基部圓形(xing)(xing)(xing)(xing)(xing)(xing)(xing)或心形(xing)(xing)(xing)(xing)(xing)(xing)(xing)，有時略(lve)(lve)抱莖(jing)，全緣，無柄。花組(zu)成小聚傘花序(xu)，簇(cu)生，因(yin)花梗及總梗極短(duan)，因(yin)此花枝(zhi)全形(xing)(xing)(xing)(xing)(xing)(xing)(xing)似一大型(xing)穗狀(zhuang)(zhuang)花序(xu)；苞片闊(kuo)披(pi)針(zhen)(zhen)形(xing)(xing)(xing)(xing)(xing)(xing)(xing)至三角(jiao)狀(zhuang)(zhuang)卵形(xing)(xing)(xing)(xing)(xing)(xing)(xing)，三角(jiao)形(xing)(xing)(xing)(xing)(xing)(xing)(xing)；附屬體針(zhen)(zhen)狀(zhuang)(zhuang)，直(zhi)立，紅紫色(se)或淡紫色(se)，倒(dao)披(pi)針(zhen)(zhen)狀(zhuang)(zhuang)長(chang)橢圓形(xing)(xing)(xing)(xing)(xing)(xing)(xing)，基部楔形(xing)(xing)(xing)(xing)(xing)(xing)(xing)，著(zhu)生于萼筒上(shang)部，有短(duan)爪(zhua)，稍皺縮；伸出萼筒之外(wai)；子房2室，花柱長(chang)短(duan)不(bu)一。蒴(shuo)果扁圓形(xing)(xing)(xing)(xing)(xing)(xing)(xing)。