Pyrus pyraster (syn. Pyrus communis subsp. pyraster), also called European wild pear, is a species of pear of the family Rosaceae.
This wild pear and Pyrus caucasica (syn. P. communis subsp. caucasica) are thought to be the ancestors of the cultivated European pear (Pyrus communis subsp. communis). Both the wild pears are interfertile with domesticated pears.
It is sometimes difficult to distinguish Pyrus pyraster from a common pear. Pyrus pyraster can reach an age of 100 to 150 years.
Pyrus pyraster ...
Шинж тэмдэг эсвэл өвчний талаар бичиж, тус болох ургамлын талаар уншиж, өвслөг ургамлыг бичиж, өвчний эсрэг шинж тэмдгийг үзээрэй.
* Бүх мэдээлэл нь хэвлэгдсэн эрдэм шинжилгээний судалгаанд үндэслэсэн болно