多(duo)年生(sheng)(sheng)(sheng)草(cao)本(ben);鱗(lin)莖(jing)深埋土中,外有(you)(you)鱗(lin)莖(jing)皮,通常(chang)(chang)由2(-3)枚白粉質(zhi)鱗(lin)片(pian)(pian)組成(鱗(lin)片(pian)(pian)內(nei)生(sheng)(sheng)(sheng)有(you)(you)2-3對小(xiao)鱗(lin)片(pian)(pian)),較少(shao)(shao)由多(duo)枚鱗(lin)片(pian)(pian)及周圍(wei)許多(duo)米粒狀小(xiao)鱗(lin)片(pian)(pian)組成,前者(zhe)鱗(lin)莖(jing)近(jin)(jin)卵形或(huo)球形,后者(zhe)常(chang)(chang)多(duo)少(shao)(shao)呈(cheng)蓮座狀。莖(jing)直(zhi)立,不分枝,一部分位于地下。基(ji)生(sheng)(sheng)(sheng)葉有(you)(you)長柄(bing);莖(jing)生(sheng)(sheng)(sheng)葉對生(sheng)(sheng)(sheng)、輪生(sheng)(sheng)(sheng)或(huo)散生(sheng)(sheng)(sheng),先端卷曲(qu)或(huo)不卷曲(qu),基(ji)部半抱莖(jing)。花較大或(huo)略小(xiao),通常(chang)(chang)鐘形,俯垂(chui)(但在受(shou)精后花梗(geng)逐漸向(xiang)(xiang)上,在果期直(zhi)立),輻射對稱,少(shao)(shao)有(you)(you)稍兩側對稱,單朵頂(ding)生(sheng)(sheng)(sheng)或(huo)多(duo)朵排成總狀花序或(huo)傘形花序,具葉狀苞片(pian)(pian);花被片(pian)(pian)矩圓形、近(jin)(jin)匙形至近(jin)(jin)狹卵形,常(chang)(chang)靠合(he),內(nei)面近(jin)(jin)基(ji)部有(you)(you)一凹陷的蜜(mi)腺窩;雄蕊(rui)6枚,花藥近(jin)(jin)基(ji)著或(huo)背著,2室,內(nei)向(xiang)(xiang)開裂(lie);花柱(zhu)3裂(lie)或(huo)近(jin)(jin)不裂(lie);柱(zhu)頭伸出于雄蕊(rui)之外;子房3室,每室有(you)(you)2縱列胚珠,中軸胎座。蒴果具6棱,棱上常(chang)(chang)有(you)(you)翅,室背開裂(lie)。種子多(duo)數(shu),扁平,邊緣(yuan)有(you)(you)狹翅。
波斯貝母(mu)是屬于(yu)歐洲常見園(yuan)(yuan)藝種(zhong)(zhong)植(zhi)(zhi)當(dang)中(zhong)的(de)(de)一種(zhong)(zhong),其中(zhong)的(de)(de)一種(zhong)(zhong)名為“阿德亞曼”(Adiyaman)的(de)(de)貝母(mu)品種(zhong)(zhong),這種(zhong)(zhong)品種(zhong)(zhong)比(bi)其他品種(zhong)(zhong)具有更(geng)高的(de)(de)植(zhi)(zhi)株和(he)更(geng)多的(de)(de)花穗(sui),此品種(zhong)(zhong)已(yi)經(jing)獲得了英國皇(huang)家園(yuan)(yuan)藝學會花園(yuan)(yuan)優異獎。