大叶相思(Acacia auriculaeformis)原产澳洲沿海地带。1972年在我区种植,表现良好。具速生和耐瘠薄的特性,引起人们重视。现已成为我区造林绿化的重要树种。大叶相思种后约2～3年普遍开花,最快一年则开花。开花数量多、结果少、种子质量差,为对这种多花少果现象进行探讨,我们将我所1973年种植的大叶相思,开花座果特性进 Acacia auriculaeformis native to Australia’s coastal zone. Planted in my district in 1972, performed well. With fast-growing and barren infertility, aroused people’s attention. Now our area has become an important afforestation tree species. Large-leaved Acacia species generally about 2 to 3 years after flowering, the fastest year is flowering. Flowering quantity, less results, poor seed quality, to explore the phenomenon of more flowers less fruit, we will be my 1973 planted Acacia aestivum, flowering characteristics of fruit into