Definition of quillwort in English:

quillwort

Syllabification: quill·wort
Pronunciation: /ˈkwilˌwərt, -ˌwôrt
 
/

noun

A plant related to the club mosses, having a dense rosette of long slender leaves, the bases of which contain the spore-producing organs, and occurring typically as a submerged aquatic.
  • Genus Isoetes, family Isoetaceae, class Lycopsida
More example sentences
  • 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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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal