It is generally accepted that there are about 20 stock species in Pyrus,and thirteen species originating from China have been classified and extensively accepted by Chinese botanical taxonomists.
一般认为梨属植物的基本种有20个左右,被中国植物分类学家认可的原产中国大陆的梨属种(包括非基本种)有13个。
参考来源 - 基于多种DNA序列和cpSSR的梨属(Pyrus L.)植物分子系统关系研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Pyrus communis L were different in germplasm with China pear.
西洋梨与中国梨有种质区别;
The results obtained are listed as followings:(1) ASPV was tested from Pyrus pyrifolia in China.
取得的主要研究结果如下:(1)砂梨上ASPV的鉴定和分离。
The essential oil from the flowers of Pyrus betulaefolia Bunge was abstracted by steam-stilling and analyzed by capillary GC-MS method.
采用水蒸气蒸馏法从杜梨花中提取挥发油,用气相色谱-质谱法对化学成分进行鉴定。
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