唐(tang)古紅(hong)景天(Rhodiola tangutica (Maxim.) S. H. Fu),是景天科紅(hong)景天屬的植物,為中國的特有(you)植物。產四川、青(qing)海、甘肅、寧夏。
唐古紅景天生長于(yu)海拔2000-4700米的(de)高山(shan)石縫中或近水(shui)邊。
唐古(gu)紅(hong)景天產自(zi)四川(chuan)、青(qing)海、甘(gan)肅、寧夏。模式標(biao)本采自(zi)寧夏。與原變種的區別,花雌雄異株,葉狹線(xian)形。原變種產阿爾(er)太(tai),我們尚未(wei)采到類似標(biao)本。
多年生(sheng)草本(ben)。主根粗長(chang)(chang),分枝;根頸沒有(you)(you)殘(can)留老枝莖(jing),或(huo)有(you)(you)少數(shu)殘(can)留,先(xian)(xian)端(duan)被(bei)三角形(xing)(xing)鱗(lin)(lin)片(pian)(pian)。雌(ci)雄異株(zhu)。雄株(zhu)花(hua)(hua)莖(jing)干后(hou)稻桿(gan)色或(huo)老后(hou)棕褐色,高10-17厘(li)米(mi)(mi)(mi)(mi)(mi),直徑(jing)(jing)1.5-2.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)。葉(xie)線(xian)形(xing)(xing),長(chang)(chang)1-1.5厘(li)米(mi)(mi)(mi)(mi)(mi),寬(kuan)不及(ji)1毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)鈍(dun)漸尖(jian)(jian),無(wu)柄。花(hua)(hua)序緊密(mi),傘(san)(san)房(fang)狀,花(hua)(hua)序下有(you)(you)苞(bao)葉(xie);萼(e)片(pian)(pian)5,線(xian)狀長(chang)(chang)圓形(xing)(xing),長(chang)(chang)2-3毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)0.5-0.6毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)鈍(dun);花(hua)(hua)瓣5,干后(hou)似為粉紅(hong)色,長(chang)(chang)圓狀披(pi)針(zhen)(zhen)形(xing)(xing),長(chang)(chang)4毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)0.8毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)鈍(dun)漸尖(jian)(jian);雄蕊10,對(dui)瓣的長(chang)(chang)2.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),在基部上1.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)著生(sheng),對(dui)萼(e)的長(chang)(chang)4.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),鱗(lin)(lin)片(pian)(pian)5,四方形(xing)(xing),長(chang)(chang)0.4毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)0.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)有(you)(you)微缺;心皮5,狹(xia)披(pi)針(zhen)(zhen)形(xing)(xing),長(chang)(chang)2.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),不育。雌(ci)株(zhu)花(hua)(hua)莖(jing)果時(shi)高15-30厘(li)米(mi)(mi)(mi)(mi)(mi),直徑(jing)(jing)3毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),棕褐色。葉(xie)線(xian)形(xing)(xing),長(chang)(chang)8-13毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)1毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)鈍(dun)漸尖(jian)(jian)。花(hua)(hua)序傘(san)(san)房(fang)狀,果時(shi)倒三角形(xing)(xing),長(chang)(chang)寬(kuan)各5厘(li)米(mi)(mi)(mi)(mi)(mi);萼(e)片(pian)(pian)5,線(xian)狀長(chang)(chang)圓形(xing)(xing),長(chang)(chang)3-3.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)0.5-0.7毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),鈍(dun);花(hua)(hua)瓣5,長(chang)(chang)圓狀披(pi)針(zhen)(zhen)形(xing)(xing),長(chang)(chang)5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)1-1.2毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)鈍(dun)漸尖(jian)(jian);鱗(lin)(lin)片(pian)(pian)5,橫長(chang)(chang)方形(xing)(xing),長(chang)(chang)0.5毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),寬(kuan)0.7毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),先(xian)(xian)端(duan)有(you)(you)微缺;蓇(gu)葖5,直立,狹(xia)披(pi)針(zhen)(zhen)形(xing)(xing),長(chang)(chang)達1厘(li)米(mi)(mi)(mi)(mi)(mi),喙短(duan),長(chang)(chang)1毫(hao)(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi),直立或(huo)稍外(wai)彎。花(hua)(hua)期5-8月,果期8月。
醫藥:主軸藥用,有利肺、退燒之效(青海)。
醫(yi)藥:根、莖、花(紅景(jing)天):澀(se),寒。退(tui)燒,利肺。用于肺熱咳喘,神經麻痹癥。
列(lie)(lie)入中國(guo)(guo)《國(guo)(guo)家(jia)二級保(bao)護植物(wu)名錄》;列(lie)(lie)入《世界自然保(bao)護聯盟瀕(bin)危物(wu)種(zhong)紅色名錄》(IUCN)——易(yi)危(VU)。
一般中國產定名名為Rhodiola algida (Ledeb.) Fisch. et Mey.的,編者疑為本變種或其他種。