| 释义 |
psi·lo·tum
\sīˈlōd.əm\ noun
Usage: capitalized
Etymology: 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 — more at feather
: 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 |