seemnealgmes paiknev emasgametofüüt, sisaldab tavaliselt seitse rakku (3 antipoodi, 2 sünergiidi, tsentraal- ja munaraku) kokku kaheksa tuumaga, The megagametophyte in seedlings, contains usually only seven cells (3 antipodals, 2 synergids, an egg cell and a central cell. Central cell contains two nuclei. After the double fertilization the egg will develop into the embryo and centrall cell into the endosperm.