Pollen morphological and germination features, pollen viability in different floret position, and natural fruit set of Hemarthria compressa cv.Guangyi are reported in this paper.

• 摘要对‘广益’扁穗牛鞭草不同部位小花花粉活力、形态、自花授粉花粉管在柱头上的萌发及自然结实率进行了观察。