SINCE 1828
psilophyton
noun
psi·loph·y·ton
| \ sīˈläfəˌtän\
Definition of psilophyton
1
capitalized
: a genus (the type of the family Psilophytaceae) of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia
2
plural -s
: any plant or fossil of the genus Psilophyton
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