多年生(sheng)(sheng)(sheng)草本;鱗(lin)莖(jing)深埋土中,外有(you)(you)(you)鱗(lin)莖(jing)皮,通(tong)常由2(-3)枚(mei)(mei)白粉(fen)質鱗(lin)片(pian)組成(鱗(lin)片(pian)內生(sheng)(sheng)(sheng)有(you)(you)(you)2-3對(dui)小鱗(lin)片(pian)),較少(shao)由多枚(mei)(mei)鱗(lin)片(pian)及周圍許多米粒狀(zhuang)小鱗(lin)片(pian)組成,前者鱗(lin)莖(jing)近(jin)(jin)(jin)(jin)卵(luan)形(xing)(xing)或(huo)(huo)球形(xing)(xing),后(hou)者常多少(shao)呈(cheng)蓮座狀(zhuang)。莖(jing)直立(li),不分枝,一(yi)(yi)部分位(wei)于地(di)下。基(ji)生(sheng)(sheng)(sheng)葉(xie)有(you)(you)(you)長柄;莖(jing)生(sheng)(sheng)(sheng)葉(xie)對(dui)生(sheng)(sheng)(sheng)、輪生(sheng)(sheng)(sheng)或(huo)(huo)散生(sheng)(sheng)(sheng),先端(duan)卷曲(qu)(qu)或(huo)(huo)不卷曲(qu)(qu),基(ji)部半抱(bao)莖(jing)。花較大或(huo)(huo)略小,通(tong)常鐘形(xing)(xing),俯(fu)垂(chui)(但在(zai)受精后(hou)花梗逐漸向(xiang)(xiang)上(shang),在(zai)果期直立(li)),輻射對(dui)稱,少(shao)有(you)(you)(you)稍兩側對(dui)稱,單朵(duo)頂生(sheng)(sheng)(sheng)或(huo)(huo)多朵(duo)排成總(zong)狀(zhuang)花序(xu)或(huo)(huo)傘形(xing)(xing)花序(xu),具葉(xie)狀(zhuang)苞片(pian);花被片(pian)矩圓形(xing)(xing)、近(jin)(jin)(jin)(jin)匙(chi)形(xing)(xing)至近(jin)(jin)(jin)(jin)狹(xia)(xia)卵(luan)形(xing)(xing),常靠合,內面近(jin)(jin)(jin)(jin)基(ji)部有(you)(you)(you)一(yi)(yi)凹陷的(de)蜜腺窩(wo);雄蕊(rui)6枚(mei)(mei),花藥近(jin)(jin)(jin)(jin)基(ji)著(zhu)或(huo)(huo)背著(zhu),2室(shi)(shi),內向(xiang)(xiang)開裂;花柱3裂或(huo)(huo)近(jin)(jin)(jin)(jin)不裂;柱頭伸出于雄蕊(rui)之外;子房3室(shi)(shi),每室(shi)(shi)有(you)(you)(you)2縱列(lie)胚珠,中軸胎座。蒴(shuo)果具6棱,棱上(shang)常有(you)(you)(you)翅,室(shi)(shi)背開裂。種子多數,扁平,邊緣有(you)(you)(you)狹(xia)(xia)翅。
波斯貝母是屬于(yu)歐洲(zhou)常見園藝種(zhong)(zhong)(zhong)(zhong)植當中的(de)(de)一種(zhong)(zhong)(zhong)(zhong),其中的(de)(de)一種(zhong)(zhong)(zhong)(zhong)名(ming)為“阿德亞曼”(Adiyaman)的(de)(de)貝母品(pin)(pin)種(zhong)(zhong)(zhong)(zhong),這種(zhong)(zhong)(zhong)(zhong)品(pin)(pin)種(zhong)(zhong)(zhong)(zhong)比其他品(pin)(pin)種(zhong)(zhong)(zhong)(zhong)具(ju)有更(geng)高(gao)的(de)(de)植株和更(geng)多的(de)(de)花(hua)穗,此品(pin)(pin)種(zhong)(zhong)(zhong)(zhong)已經獲得了(le)英國皇家園藝學會花(hua)園優異獎。