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Biological Study of Pistil Morphology and Pollination of Asarum henryi
Author(s): 
Pages: 923-927
Year: Issue:  5
Journal: ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA

Keyword:  马蹄香雌蕊形态心皮传粉生物学;
Abstract: 通过对马蹄香(Asarum henryi Oliv.)雌蕊不同发育阶段的整体发育形态观察和组织切片显微结构观察,结果表明,马蹄香雌蕊心皮离生,不分化为柱头、花柱和子房三部分,开花前在心皮腹缝线上部1/2~2/3处分化出数列多细胞表皮毛,构成鸡冠状柱头,表现出原始的雌蕊结构特征.开花习性、传粉试验观察,杂交指数(OCI)及花粉-胚珠比(P/O)测定结果表明,马蹄香植物为兼性自花传粉繁育系统.
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