any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat 同义词：sphagnum moss, peat moss, bog moss,
Sphagnum is a genus of between 151 and 350 species of mosses, commonly called peat moss due to its prevalence in wet habitats where it contributes to the formation of peat bogs and mires. Sphagnum accumulations can store water, since both living and dead plants can hold large quantities of water inside their cells; plants may hold from 16-26 times as much water as their dry weight depending on the species.
例句与用法
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Pseudopodium ( pl . pseudopodia ) 1 . a leafless stalk that bears the capsule in sphagnum and other mosses that lack a seta 假蒴柄： 1 .一种在泥炭藓属和其他缺乏蒴柄的藓类中的结构。它是一种无叶的柄，其上生有蒴果。
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