檢視球花(裸子植物的繁殖器官) 的原始碼

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| style="background: #FF2400" align= center|  '''<big>球花(裸子植物的繁殖器官) </big>'''
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球花：裸子植物没有真正的花，是在开花期间形成的繁殖器官，即孢子叶球。裸子植物的孢子叶（sporophyll）大多聚合成球果状（strobiliform）成球花（cone）。
==基本信息==
中文名球花界植物界门裸子植物门
==组成==
球花由胚轴、胚珠、苞鳞、珠鳞、不[[发育]]的短枝组成。
==分类==
小孢子叶球(starninate strobilus)又称雄球花(male cone)，由小孢子叶（雄蕊）聚合而成，每个小孢子叶下有小孢子囊（花粉囊）内有多个小孢子母细胞（花粉母细胞），经减数分裂产生小孢子。再由小孢子发育成雄配子体（花粉粒），花粉粒为单沟型，有时具气囊，3沟孔或多沟孔的花粉粒。

大孢子叶球(ovulate strobilus) 又称为雌球花(female cone)，由大孢子叶（心皮）丛生或聚生而成。大孢子叶的腹面近轴面生有一至多个裸露的胚珠，球心（大孢子囊）中的一个大孢子母细胞经减数分裂产生4个大孢子，仅远离珠孔端的1个大孢子发育成<ref>[https://baijiahao.baidu.com/s?id=1648785394994517997&wfr=spider&for=pc  球花(裸子植物的繁殖器官)], 360国学 ,</ref>
=='''参考文献'''==