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壳菜果植物树脂道的发生、发育及分布的研究
陆祖军; 徐华松; 朱念德;   
广西师范大学生物系
摘要:
经解剖观察,发现壳菜果(Mytilarialaoensis)植物初生结构能自然形成树脂道,而次生结构不能自然形成。树脂道原始细胞发生位置为离顶端120~140μm的区段上,与初生分生组织同时形成。以后原始细胞经历;(1)原始细胞分裂阶段;(2)树脂道发生阶段;(3)树脂道扩张阶段;(4)树脂道成熟阶段;(5)树脂道破毁阶段而完成其功能周期。壳菜果植物的树脂道以裂溶生方式发生,分布在维管束外侧的皮层中。此为金缕梅科各亚科系统位置研究提供重要证据
关键词:  壳菜果  树脂道  发生、发育及分布  
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