The mature embryosac is surrounded by en lothelium tapetum. It is composed or an egg apparatus, one central cell with secondary nucleus, and 1—6 antipodal cells.
成熟胚囊被珠被绒毡县包围，由卵器、具次生核的中央细胞以及数目为1至6个反足细胞组成。
2
The mature embryosac was one with five nucleus, i. e., egg apparatus and two-nucleus central cell.