单词	clubmoss
释义	clubmoss /ˈklʌbmɒs / noun A low-growing flowerless plant that resembles a large moss, having branching stems with undivided leaves. Class Lycopsida, division Pteridophyta: three living families, in particular Lycopodiaceae and Selaginellaceae (the lesser clubmosses). Extant vascular plants range from clubmosses and ferns and their allies (such as whisk ferns and horsetails) to complex seed plants, comprising gymnosperms and angiosperms.... At left is a picture of the clubmoss Lycopodium obscurum showing the habit of the plant and position of the strobili, or cones. On the other hand, the trait ‘megaphyll’ (as opposed to ‘microphyll’) unites the fern and the flowering plant into a group, excluding the clubmoss.
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