枇杷常(chang)綠小喬木(mu)，一般樹高3至4米；樹冠(guan)呈圓(yuan)(yuan)(yuan)狀(zhuang)(zhuang)，向(xiang)內收斂，樹干頗短。小枝粗壯，黃褐(he)色(se)，密(mi)生(sheng)(sheng)(sheng)銹(xiu)(xiu)色(se)或灰棕(zong)色(se)絨(rong)毛(mao)。葉片革質，披(pi)針(zhen)形(xing)(xing)、倒披(pi)針(zhen)形(xing)(xing)、倒卵形(xing)(xing)或橢圓(yuan)(yuan)(yuan)長(chang)圓(yuan)(yuan)(yuan)形(xing)(xing)，長(chang)12-30厘(li)(li)米，寬3-9厘(li)(li)米，先(xian)(xian)端(duan)急尖(jian)或漸尖(jian)，基(ji)(ji)部楔形(xing)(xing)或漸狹成葉柄(bing)(bing)，上(shang)(shang)部邊(bian)緣有(you)(you)疏鋸齒，基(ji)(ji)部全緣，上(shang)(shang)面光亮，多皺，下面密(mi)生(sheng)(sheng)(sheng)灰棕(zong)色(se)絨(rong)毛(mao)，側脈11-21對(dui)；葉柄(bing)(bing)短或幾無(wu)柄(bing)(bing)，長(chang)6-10毫(hao)米，有(you)(you)灰棕(zong)色(se)絨(rong)毛(mao)；托葉鉆(zhan)形(xing)(xing)，長(chang)1-1.5厘(li)(li)米，先(xian)(xian)端(duan)急尖(jian)，有(you)(you)毛(mao)。圓(yuan)(yuan)(yuan)錐花(hua)(hua)(hua)序頂(ding)生(sheng)(sheng)(sheng)，長(chang)10-19厘(li)(li)米，具(ju)(ju)多花(hua)(hua)(hua)；總(zong)花(hua)(hua)(hua)梗和(he)花(hua)(hua)(hua)梗密(mi)生(sheng)(sheng)(sheng)銹(xiu)(xiu)色(se)絨(rong)毛(mao)；花(hua)(hua)(hua)梗長(chang)2-8毫(hao)米；苞(bao)片鉆(zhan)形(xing)(xing)，長(chang)2-5毫(hao)米，密(mi)生(sheng)(sheng)(sheng)銹(xiu)(xiu)色(se)絨(rong)毛(mao)；花(hua)(hua)(hua)直徑(jing)12-20毫(hao)米；萼(e)筒(tong)淺杯(bei)狀(zhuang)(zhuang)，長(chang)4-5毫(hao)米，萼(e)片三角卵形(xing)(xing)，長(chang)2-3毫(hao)米，先(xian)(xian)端(duan)急尖(jian)，萼(e)筒(tong)及萼(e)片外面有(you)(you)銹(xiu)(xiu)色(se)絨(rong)毛(mao)；花(hua)(hua)(hua)瓣白色(se)，長(chang)圓(yuan)(yuan)(yuan)形(xing)(xing)或卵形(xing)(xing)，長(chang)5-9毫(hao)米，寬4-6毫(hao)米，基(ji)(ji)部具(ju)(ju)爪，有(you)(you)銹(xiu)(xiu)色(se)絨(rong)毛(mao)；雄蕊20，遠短于花(hua)(hua)(hua)瓣，花(hua)(hua)(hua)絲基(ji)(ji)部擴展；花(hua)(hua)(hua)柱(zhu)5，離(li)生(sheng)(sheng)(sheng)，柱(zhu)頭(tou)頭(tou)狀(zhuang)(zhuang)，無(wu)毛(mao)，子(zi)(zi)房頂(ding)端(duan)有(you)(you)銹(xiu)(xiu)色(se)柔毛(mao)，5室，每室有(you)(you)2胚珠。果(guo)(guo)實球形(xing)(xing)或長(chang)圓(yuan)(yuan)(yuan)形(xing)(xing)，直徑(jing)2-5厘(li)(li)米，黃色(se)或桔黃色(se)，外有(you)(you)銹(xiu)(xiu)色(se)柔毛(mao)，不久脫(tuo)落；種子(zi)(zi)1-5，球形(xing)(xing)或扁球形(xing)(xing)，直徑(jing)1-1.5厘(li)(li)米，褐(he)色(se)，光亮，種皮(pi)紙質。花(hua)(hua)(hua)期10-12月，果(guo)(guo)期5-6月。