大叶(ye)黄(huang)杨(学名:Buxus megistophylla Levl.):灌木或(huo)(huo)小乔(qiao)木,高0.6-2米(mi)(mi),胸径(jing)5厘米(mi)(mi);小枝四棱形(xing)(xing)(xing),光滑、无(wu)(wu)毛(mao)(mao)(mao)(mao)。叶(ye)革(ge)质(zhi)或(huo)(huo)薄革(ge)质(zhi),卵形(xing)(xing)(xing)、椭(tuo)圆状(zhuang)或(huo)(huo)长(zhang)(zhang)圆状(zhuang)披针形(xing)(xing)(xing)以至披针形(xing)(xing)(xing),叶(ye)面光亮(liang),仅(jin)叶(ye)面中脉基部及(ji)叶(ye)柄被微(wei)细毛(mao)(mao)(mao)(mao),其余均无(wu)(wu)毛(mao)(mao)(mao)(mao)。花(hua)序(xu)(xu)腋生(sheng),花(hua)序(xu)(xu)轴长(zhang)(zhang)5-7毫(hao)米(mi)(mi),有短柔毛(mao)(mao)(mao)(mao)或(huo)(huo)近无(wu)(wu)毛(mao)(mao)(mao)(mao);苞片阔卵形(xing)(xing)(xing),雄(xiong)花(hua)8-10朵(duo),雌花(hua)萼片卵状(zhuang)椭(tuo)圆形(xing)(xing)(xing)。蒴果(guo)(guo)近球(qiu)形(xing)(xing)(xing),长(zhang)(zhang)6-7毫(hao)米(mi)(mi),宿存花(hua)柱(zhu)长(zhang)(zhang)约5毫(hao)米(mi)(mi),斜(xie)向(xiang)挺出。花(hua)期3-4月,果(guo)(guo)期6-7月。 生(sheng)于山地(di)、山谷、河岸或(huo)(huo)山坡林下(xia),海(hai)拔(ba)500-1400米(mi)(mi)。 大叶(ye)黄(huang)杨是优(you)良的园林绿化树种,可(ke)栽(zai)植(zhi)绿篱及(ji)背景(jing)种植(zhi)材(cai)料,也可(ke)单(dan)株(zhu)栽(zai)植(zhi)在花(hua)境内。