At the globular embryo stage, the suspensor had well developed, which was richly cytoplasmic and contained abundant starch, and its remnants still exicted in the late heart-shaped embryo stage.

• 胚柄基部发育迅速，具吸器作用，球形胚期胚柄最为发达，其细胞质丰富，贮藏淀粉类物质，至晚心形胚期胚柄依然存在。