羅布麻(ma),為(wei)夾竹(zhu)桃科羅布麻(ma)屬(shu)直立半灌木(mu),高可(ke)達4米,枝條對生(sheng)(sheng)或互生(sheng)(sheng),光滑無毛(mao)(mao),紫(zi)紅(hong)色(se)(se)(se)或淡紅(hong)色(se)(se)(se)。葉(xie)對生(sheng)(sheng),葉(xie)片(pian)(pian)橢圓(yuan)(yuan)狀(zhuang)(zhuang)披(pi)針(zhen)形(xing)至(zhi)卵(luan)圓(yuan)(yuan)狀(zhuang)(zhuang)長(chang)圓(yuan)(yuan)形(xing),葉(xie)緣具細(xi)牙齒,兩面無毛(mao)(mao);圓(yuan)(yuan)錐狀(zhuang)(zhuang)聚傘(san)花(hua)序(xu)頂(ding)生(sheng)(sheng)(有時腋生(sheng)(sheng))一至(zhi)多(duo)歧,苞片(pian)(pian)膜(mo)質,披(pi)針(zhen)形(xing),花(hua)萼(e)深裂,裂片(pian)(pian)披(pi)針(zhen)形(xing)或卵(luan)圓(yuan)(yuan)狀(zhuang)(zhuang)披(pi)針(zhen)形(xing),兩面被短柔毛(mao)(mao),邊緣膜(mo)質,花(hua)冠圓(yuan)(yuan)筒狀(zhuang)(zhuang)鐘形(xing),紫(zi)紅(hong)色(se)(se)(se)或粉(fen)紅(hong)色(se)(se)(se),花(hua)藥箭頭狀(zhuang)(zhuang),隱(yin)藏在(zai)花(hua)喉(hou)內(nei),花(hua)絲短,密被白茸毛(mao)(mao)。其分布于中國新疆、青海、甘肅、陜西、山西、河南、河北(bei)、江蘇、山東、遼(liao)寧及(ji)內(nei)蒙古等省區(qu),主(zhu)要野生(sheng)(sheng)在(zai)鹽堿(jian)荒地和沙漠邊緣及(ji)河流兩岸、沖積平(ping)原、河泊周(zhou)圍及(ji)戈壁(bi)荒灘上,有引種栽培(pei)馴化。