鎖(suo)陽,屬多(duo)年生(sheng)(sheng)(sheng)肉(rou)質寄(ji)生(sheng)(sheng)(sheng)草本,無葉(xie)綠素,全株(zhu)紅(hong)棕色,大部分埋(mai)于沙中(zhong)。寄(ji)生(sheng)(sheng)(sheng)根(gen)根(gen)上(shang)著生(sheng)(sheng)(sheng)大小(xiao)不等的(de)(de)鎖(suo)陽芽體,初近(jin)球(qiu)形(xing),后變橢圓形(xing)或長柱形(xing),具多(duo)數須根(gen)與脫落的(de)(de)鱗片葉(xie)。其分布于中(zhong)國多(duo)省(sheng)區,中(zhong)亞、伊朗(lang)、蒙古也(ye)有(you)分布,生(sheng)(sheng)(sheng)于荒漠草原,草原化(hua)荒漠與荒漠地(di)帶的(de)(de)河邊(bian)、湖邊(bian)、池邊(bian)等生(sheng)(sheng)(sheng)境且有(you)白刺、批(pi)把(ba)柴生(sheng)(sheng)(sheng)長的(de)(de)鹽堿地(di)區。鎖(suo)陽能(neng)(neng)補腎、益精(jing)、潤(run)燥,主治陽痿(wei)遺精(jing)、腰膝酸軟、腸燥便(bian)秘(mi),對(dui)癱瘓(huan)和改善(shan)性機能(neng)(neng)衰(shuai)弱有(you)一定的(de)(de)作用。