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作 者 ：邓彦 景汝勤

期 刊 ：西北植物学报 1990年 2期

关键词：党参；花内蜜腺；超微结构；

Keywords:Codonopsis Pilosuta Nannf, Floral nectary, Ultrastructure, Mechanism of nectar secretion,

摘 要 ：

Abstract:Floral neetary of Codonopsis pilosula Nannf were studied with light and electron microscopy. It belongs to disc-nectary and is composed of epidermis and necteriferous as well as vascular bundle. The surface of epidermis is covered with thick cuticle which

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