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Psilotum
noun
Psi·lo·tum
\sīˈlōtəm\
Definition of Psilotum
: a genus (the type of the family Psilotaceae) of chiefly tropical fern allies with terrestrial or epiphytic habit, slender branching stems, and sessile 3-celled sporangia usually in spikes
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Origin and Etymology of psilotum
New Latin, probably from Late Greek psilōton, a plant, perhaps from Greek psilon down, soft feather, alteration of ptilon; akin to Greek pteron wing, feather
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