金(jin)佛(fo)山紫菊分布在四川(南(nan)川金(jin)佛(fo)山)。
金佛山紫菊(ju)是多(duo)年生草本。莖(jing)(jing)單生,直立(li),高(gao)40-80厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),基(ji)部(bu)(bu)直徑4毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),上部(bu)(bu)狹(xia)圓錐(zhui)花(hua)序(xu)狀(zhuang)分(fen)枝(zhi),分(fen)枝(zhi)纖細,光滑無(wu)毛(mao)。基(ji)生葉(xie)(xie)未(wei)見(jian);中(zhong)(zhong)下(xia)部(bu)(bu)莖(jing)(jing)葉(xie)(xie)戟狀(zhuang)三角形(xing),長(chang)7-9.5厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)5.5-6厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),邊(bian)緣有(you)(you)(you)稀(xi)疏小(xiao)(xiao)尖頭(tou)或(huo)無(wu)小(xiao)(xiao)尖頭(tou),頂端(duan)漸尖,基(ji)部(bu)(bu)寬(kuan)(kuan)楔形(xing)或(huo)幾截(jie)(jie)形(xing),葉(xie)(xie)柄有(you)(you)(you)短(duan)且狹(xia)的翼,長(chang)達5厘(li)米(mi)(mi)(mi)(mi)(mi)(mi);上部(bu)(bu)莖(jing)(jing)葉(xie)(xie)與(yu)中(zhong)(zhong)下(xia)部(bu)(bu)莖(jing)(jing)葉(xie)(xie)同形(xing)但較(jiao)小(xiao)(xiao)或(huo)披針(zhen)形(xing),包括(kuo)葉(xie)(xie)柄長(chang)10厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)2厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),邊(bian)緣有(you)(you)(you)稀(xi)疏的小(xiao)(xiao)尖頭(tou),或(huo)上部(bu)(bu)莖(jing)(jing)葉(xie)(xie)不規則(ze)菱形(xing),長(chang)12厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)約4厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),邊(bian)緣有(you)(you)(you)鋸(ju)齒或(huo)小(xiao)(xiao)鋸(ju)齒,齒頂有(you)(you)(you)小(xiao)(xiao)尖頭(tou);花(hua)序(xu)分(fen)枝(zhi)上的葉(xie)(xie)最小(xiao)(xiao),線形(xing),長(chang)1.5-2.5厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)1.5-2毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),邊(bian)緣有(you)(you)(you)不明顯小(xiao)(xiao)尖頭(tou);全部(bu)(bu)葉(xie)(xie)質地薄,兩(liang)面無(wu)毛(mao)。頭(tou)狀(zhuang)花(hua)序(xu)多(duo)數,沿莖(jing)(jing)排成狹(xia)圓錐(zhui)狀(zhuang)花(hua)序(xu)。總苞狹(xia)圓柱狀(zhuang),長(chang)1厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)2毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi);總苞片3層(ceng)(ceng),中(zhong)(zhong)外層(ceng)(ceng)短(duan)或(huo)最短(duan),卵形(xing)或(huo)披針(zhen)形(xing),長(chang)1-2.5毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)1毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi)或(huo)不足1毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),頂端(duan)急尖,內層(ceng)(ceng)長(chang),長(chang)橢(tuo)圓形(xing),長(chang)1厘(li)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)1.5毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),頂端(duan)鈍或(huo)圓形(xing),全部(bu)(bu)苞片紫色(se),外面無(wu)毛(mao)。舌狀(zhuang)小(xiao)(xiao)花(hua)紫色(se),5枚。瘦果(guo)長(chang)橢(tuo)圓形(xing),紫色(se),壓扁,長(chang)5毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),寬(kuan)(kuan)0.8毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),頂端(duan)截(jie)(jie)形(xing),無(wu)喙,每面有(you)(you)(you)7條高(gao)起的縱肋。冠毛(mao)2層(ceng)(ceng),白色(se),長(chang)7毫(hao)(hao)米(mi)(mi)(mi)(mi)(mi)(mi),微(wei)糙。