But in a few genotypes thestamens are long and the styles short which allows the bees to visit the flowers without making contact with the stigmas . 但是也有少数遗传类型的雄蕊长而花柱短，蜜蜂飞到花上接触不到柱头。
2.
The classifications showed clear genetic homogenization among the genetic types and no correlativity with the germplasm sources 归类有较明显的遗传类型的趋同性，而与来源地没有相关性。
