黃(huang)芩,中(zhong)(zhong)藥(yao)(yao)名。別名山茶根(gen)、土金茶根(gen),是唇形(xing)科黃(huang)芩屬多(duo)年生(sheng)草本植物;肉質(zhi)根(gen)莖肥厚,葉堅(jian)紙(zhi)質(zhi),披(pi)針(zhen)形(xing)至線狀披(pi)針(zhen)形(xing),總狀花序在莖及枝(zhi)上頂生(sheng)。黃(huang)芩生(sheng)于向陽(yang)草坡(po)地上,海(hai)拔60~1300(1700~2000)米,產于黑(hei)龍江,遼寧(ning),內蒙古,河北,四川等地,中(zhong)(zhong)國北方多(duo)數省(sheng)區都可種植。其(qi)以根(gen)入藥(yao)(yao),味(wei)苦、性寒,有清(qing)熱燥濕、瀉火(huo)解毒、止血、安胎等功(gong)效。