The megagametophyte within the ovule of a flowering plant.
Embryo sac 有花植物
内
雌配子体。
The megagametophyte within the ovule of a flowering plant.
Embryo sac 有花植物内雌配子体。
An ovule which is curved so that the micropyle is positioned near the funiculus and the chalaza.
弯生 Campylotropous ovule 孔邻近柄和合点弯曲。
The larger embellum could be used as a secondary screening indicator for identifying aposporous embryo sac in Apluda mutica.
存在发达附器是水蔗
无孢子生殖特点之一.
Stigma subsessile, penicillate-capitate. ovule orthotropous.
直生。
The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢子维管植物（羊齿类）还有具裸子植物大孢子叶是同源。
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