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单词 quillwort
释义

quillwort

noun
A plant related to the clubmosses, with a dense rosette of long slender leaves, the bases of which contain the spore-producing organs, occurring typically as a submerged aquatic.
  • Genus Isoetes, family Isoetaceae, class Lycopsida.
Liverworts, hornworts, mosses, clubmosses, resurrection plants, quillworts, horsetails, ferns, cycads, ginkgos, conifers, and flowering plants are all plants....
  • This extinct order of giant scale trees includes relatives of the modern quillworts (Isoetes).
  • First described by Pfeiffer in 1937, and recircumscribed by Brunton et al., I. virginica is a tetraploid quillwort of intermittent woodland streams and low, wet wooded areas of the southeastern Mountains and Piedmont.
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更新时间:2025/1/24 6:38:50