Osmundaceae
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Last Update: 2021-03-09
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Source: Internet
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Author: User
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plants, the roots are short and upright, and there are no scales. Leaves are young with brown adenocarphished, smooth in old age, one to two back plumes, leaf vein separation, binary branching. Spore sacs are born at the edge of the intensity-shrinking deformed spore leaf plume, and there are several thickened cells (infertility ring bands) at the top of the spore sacs that split from the abdomen. Spores are spherical four-sided. Chromosomes: X-11. 3 genus, 2 species, distribution temperature, tropical. China 1 genus, 8 species, known 6 kinds of medicinal use.
(Osmunda japonica Thunb. ) Perennity herbs. The root stem is short and lumpy, obliquely raised, with residual leaf handles and no scales. Leaf clumps, type 2, childhood dense fluff, nutritional leaf triangular broad-egg shape, the top of the two back plumes, small feathers cloaked needle-shaped to triangular shawl needle-shaped, leaf vein-shaped separation; Distributed in temperate and subtropical areas south of Qinling, born under hillside forests, streams, mountain foot road acid soil. Root stems and leaf shank residue into the medicine for "crowding" use, can clear heat detoxification, hemosticide. There is a small poison.
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