花生在地上开花地下结果,这是花生和其它作物不同的地方。因为花生的果实发育需要一定的黑暗条件,所以必须在地下才能结果。花生的花受精后4～5天,在花托上部出现紫色的子房柄,子房就生长在子房柄的顶端,以后子房柄逐渐伸长,5～6天后子房柄长得很 Peanuts bloom underground on the ground, where peanuts and other crops differ. Because the peanut fruit development requires certain dark conditions, it must be underground to the results. Peanut flowers 4 to 5 days after fertilization, appear in the torus above the purple ovary, the ovary grows in the top of the ovary stem, after the ovary gradually elongated, 5 to 6 days after the ovary is very long