菠萝蜜属于桑科乔木树种,是热带地区最有用的植物之一,它结硕大的果实,也是名贵的木材。就果实的营养物质成分和含量而言,在热带一些国家中,没有一种果实能象它这样受欢迎。本文描述了菠萝蜜树的花部形态、目前的繁殖方法以及多种用途。花部形态的研究,主要是1973～77年5年期间,在花期通过肉眼和显微镜观察。用于研究的树种植在扎里亚、尼日利 Jackfruit belongs to the mulberry tree species, is one of the most useful plants in the tropics, it is a huge fruit, but also expensive wood. In terms of the nutrient composition and content of the fruit, none of the fruits in some tropical countries can be as welcome as it is. This article describes the floral pattern of jackfruit trees, current breeding methods, and many uses. The study of floral pattern, mainly during the 5 years from 1973 to 1977, was observed by naked eye and microscope at florescence. Trees for research are planted in Zaria, Niger