锉屑
发表于 2025-3-26 22:46:06
9楼
引导
发表于 2025-3-27 03:33:51
9楼
软膏
发表于 2025-3-27 07:21:51
10楼
ingenue
发表于 2025-3-27 11:25:45
10楼
Culmination
发表于 2025-3-27 13:58:10
Anther Development which is linked with the filament. The anther wall consists of four layers: the epidermis (exothecium), endothecium, middle layer(s) and tapetum. The central region of each microsporangium contains the sporogenous tissue, composed of microspore mother cells (meiocytes), which eventually will form the pollen grains.
dry-eye
发表于 2025-3-27 21:47:47
http://reply.papertrans.cn/93/9223/922264/922264_36.png