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5.茵陈蒿别名:尘。学名:Artemisia capillaris Th-unb.科名:菊科Compositae形态:叶自根节发出,丛生,全体密被白色绒毛,梢叶细裂如丝,不具托叶。夏秋之间,茎高达5—7分米,茎上生很小的头状花,绿色,排列成穗状花序。萼上生,缘部往往生冠毛。花冠为简状的合瓣花冠,雄蕊数枚,着生于花冠筒部的内面。子房下位,一窒,含一个倒生胚珠。柱头位于分枝的内侧。果实为瘦果,含一粒无胚乳的种子。
5. Artemisia capillaris alias: dust. Scientific name: Artemisia capillaris Th-unb. Genus: Asteraceae Compositae Morphology: The leaves emerge from the roots, clustered, all densely covered with white tomentoses, the tip leaves are fissured like silk, and do not have stipules. Between summer and autumn, the stems are as high as 5-7 cm. The stems have tiny head-shaped flowers, green and arranged in spikes. As a result of his birth, the margins are often crowned. The corolla is a simple corolla, with several stamens, and is inserted on the inside of the corolla tube. Lower ovary, one pod, containing one inverted ovule. The stigma is located on the inside of the branches. The fruit is achene and contains a non-endosperm seed.