【摘要】 对杏香兔耳风根、茎、叶、叶柄、种子等器官进行了解剖学研究。结果表明:根的初生木质部为3原型;茎的维管束环状排列,有乳汁管分布;叶有明显的栅栏组织和海绵组织分化,上、下表皮有发达的单列表皮毛;叶柄维管束5个,呈U状排列,中间的最大,两边的依次递减;子仅有种皮和胚,胚芽、胚轴、胚根、子叶均发育完全。更多还原

【Abstract】 Ainsliaea fragrans Champ is an important medical plant. Its primary structures of root, stem, blade, petiole and seed were anatomized. The results showed that the primary xylem of root was diarch. The bundles in stem were arranged in a form of a circle, and the laticifers were also distributed in it. The palisade tissue and spongy tissue in leave were differentiated significantly, and the primary epidermic hairs covering the upper and lower epidermis were developed well. There were five bundles in petiole, and the bundles were arranged in a form of U; meanwhile, the central bundle was the biggest, and others decreased toward both of sides orderly. The seed was composed of seed coat and embryo, the plumule, hypocotyl, radicle and cotyledon were all developed well.更多还原