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quillwort

n. 水韭属植物

1、水韭属

... quilling卷纬 quillwort水韭属 quilt棉被 ...

2、[植]水韭

...松纲(lycopsida)肋木目(pleuromeiales)的一个绝灭属。代表下三叠纪小树状石松类的一个特殊种系，该种系也许与现代水韭(quillwort)有关。茎不分枝，高1公尺(40英寸)以上，直径达10公分(4英寸)。

quillwort family水韭科

flowering quillwort family百合科

生物学

n.any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia

1.
N（名词） any aquatic tracheophyte plant of the genus Isoetes, with quill-like leaves at the bases of which are spore-producing structures: family Isoetaceae, phylum Lycopodophyta (club mosses, etc) 水韭属植物

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