1.The ovule is bitegminous and tenuinucellate.The archesporial cell locates under the nucellus epidermis, which develops into fuctional megasporocyte.

1.孢原细位表之下，直接起大孢子母细的功能。

2.Simple ovary, the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.The megaspore archesporium is initiated from sub-epidermis of nucellus.

2.摘要矮沙冬青子房单1，边缘胎座，弯生胚，胚具双被、厚。