
垂絲海棠(學名(ming):Malus halliana Koehne)是落葉小喬木,高達5米,樹冠開展;葉片卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing)或橢(tuo)圓形(xing)(xing)(xing)(xing)(xing)至長(chang)橢(tuo)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing),傘房花(hua)序,具花(hua)4-6朵,花(hua)梗(geng)細弱下垂,有稀疏柔毛(mao),紫(zi)色;萼(e)(e)筒(tong)外面無毛(mao);萼(e)(e)片三角(jiao)卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing),花(hua)瓣倒卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing),基部有短爪,粉紅色,常在5數以上;果實梨(li)形(xing)(xing)(xing)(xing)(xing)或倒卵(luan)(luan)(luan)形(xing)(xing)(xing)(xing)(xing),略帶(dai)紫(zi)色,成熟很遲,萼(e)(e)片脫落。花(hua)期3-4月,果期9-10月。生山(shan)坡(po)叢林中或山(shan)溪(xi)邊,海拔50-1200米。分布于中國(guo)江蘇、浙江、安徽(hui)、陜西、四川(chuan)和云南。可入藥,主治血崩(beng)。