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.
摘要矮沙冬青子房单心皮1室，边缘胎座，弯生
珠，珠具双珠被、厚珠心。
词条纠错
X
n. 孢原(组织),原孢子
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archerfish, archers, archery, archespore, archesporial, archesporium, archetelome, archethallus, archetista, archetypal,
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