金佛山紫菊分布在四(si)川(南(nan)川金佛山)。
金佛山紫菊是多年生(sheng)(sheng)草(cao)本。莖(jing)單(dan)生(sheng)(sheng),直立,高40-80厘(li)(li)(li)米(mi)(mi)(mi)(mi),基(ji)部(bu)直徑4毫(hao)(hao)米(mi)(mi)(mi)(mi),上部(bu)狹(xia)(xia)圓(yuan)(yuan)(yuan)錐花(hua)序狀(zhuang)分枝(zhi),分枝(zhi)纖細,光滑無(wu)毛(mao)(mao)。基(ji)生(sheng)(sheng)葉(xie)(xie)未見;中下部(bu)莖(jing)葉(xie)(xie)戟狀(zhuang)三角形(xing)(xing),長(chang)(chang)7-9.5厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)5.5-6厘(li)(li)(li)米(mi)(mi)(mi)(mi),邊緣(yuan)(yuan)(yuan)有(you)稀(xi)疏小(xiao)(xiao)(xiao)(xiao)尖(jian)(jian)頭(tou)或(huo)(huo)無(wu)小(xiao)(xiao)(xiao)(xiao)尖(jian)(jian)頭(tou),頂(ding)(ding)端漸尖(jian)(jian),基(ji)部(bu)寬(kuan)楔形(xing)(xing)或(huo)(huo)幾截形(xing)(xing),葉(xie)(xie)柄有(you)短(duan)且狹(xia)(xia)的翼,長(chang)(chang)達5厘(li)(li)(li)米(mi)(mi)(mi)(mi);上部(bu)莖(jing)葉(xie)(xie)與中下部(bu)莖(jing)葉(xie)(xie)同形(xing)(xing)但(dan)較小(xiao)(xiao)(xiao)(xiao)或(huo)(huo)披針(zhen)形(xing)(xing),包括葉(xie)(xie)柄長(chang)(chang)10厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)2厘(li)(li)(li)米(mi)(mi)(mi)(mi),邊緣(yuan)(yuan)(yuan)有(you)稀(xi)疏的小(xiao)(xiao)(xiao)(xiao)尖(jian)(jian)頭(tou),或(huo)(huo)上部(bu)莖(jing)葉(xie)(xie)不(bu)規則菱(ling)形(xing)(xing),長(chang)(chang)12厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)約(yue)4厘(li)(li)(li)米(mi)(mi)(mi)(mi),邊緣(yuan)(yuan)(yuan)有(you)鋸齒或(huo)(huo)小(xiao)(xiao)(xiao)(xiao)鋸齒,齒頂(ding)(ding)有(you)小(xiao)(xiao)(xiao)(xiao)尖(jian)(jian)頭(tou);花(hua)序分枝(zhi)上的葉(xie)(xie)最小(xiao)(xiao)(xiao)(xiao),線形(xing)(xing),長(chang)(chang)1.5-2.5厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)1.5-2毫(hao)(hao)米(mi)(mi)(mi)(mi),邊緣(yuan)(yuan)(yuan)有(you)不(bu)明顯小(xiao)(xiao)(xiao)(xiao)尖(jian)(jian)頭(tou);全部(bu)葉(xie)(xie)質地薄,兩面無(wu)毛(mao)(mao)。頭(tou)狀(zhuang)花(hua)序多數,沿莖(jing)排成狹(xia)(xia)圓(yuan)(yuan)(yuan)錐狀(zhuang)花(hua)序。總(zong)苞狹(xia)(xia)圓(yuan)(yuan)(yuan)柱狀(zhuang),長(chang)(chang)1厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)2毫(hao)(hao)米(mi)(mi)(mi)(mi);總(zong)苞片3層,中外層短(duan)或(huo)(huo)最短(duan),卵形(xing)(xing)或(huo)(huo)披針(zhen)形(xing)(xing),長(chang)(chang)1-2.5毫(hao)(hao)米(mi)(mi)(mi)(mi),寬(kuan)1毫(hao)(hao)米(mi)(mi)(mi)(mi)或(huo)(huo)不(bu)足1毫(hao)(hao)米(mi)(mi)(mi)(mi),頂(ding)(ding)端急尖(jian)(jian),內層長(chang)(chang),長(chang)(chang)橢圓(yuan)(yuan)(yuan)形(xing)(xing),長(chang)(chang)1厘(li)(li)(li)米(mi)(mi)(mi)(mi),寬(kuan)1.5毫(hao)(hao)米(mi)(mi)(mi)(mi),頂(ding)(ding)端鈍或(huo)(huo)圓(yuan)(yuan)(yuan)形(xing)(xing),全部(bu)苞片紫色,外面無(wu)毛(mao)(mao)。舌狀(zhuang)小(xiao)(xiao)(xiao)(xiao)花(hua)紫色,5枚。瘦果長(chang)(chang)橢圓(yuan)(yuan)(yuan)形(xing)(xing),紫色,壓扁,長(chang)(chang)5毫(hao)(hao)米(mi)(mi)(mi)(mi),寬(kuan)0.8毫(hao)(hao)米(mi)(mi)(mi)(mi),頂(ding)(ding)端截形(xing)(xing),無(wu)喙(hui),每面有(you)7條(tiao)高起的縱肋(lei)。冠毛(mao)(mao)2層,白(bai)色,長(chang)(chang)7毫(hao)(hao)米(mi)(mi)(mi)(mi),微糙(cao)。