One is rose, Rosaceae plants. Gymnosperms have no real flowers, reproductive organs formed in the flowering period is called cones, namely strobile. Gymnosperms
(sporophyll) are aggregated into strobiliform (strobiliform) into Thyrsiflorum
These consist of hypocotyls, ovules, bracts And, ovuliferous scale development consists of short branch.
The Ye Qiu (starninate strobilus) is also called ( Megasporangia
A). The megaspore mother cell
After meiosis to produce 4 Megaspore
Only stay away from. Micropyle
1 end megaspore develops into the female gametophyte.