Acrostichum

noun

Acros·​ti·​chum

ə-ˈkrȯ-sti-kəm,

-ˈkrä-

: a genus of tropical ferns (family Polypodiaceae) with varied habit but with the sporangia covering all the underside of the frond

Word History

Etymology

New Latin, irregular from Greek akrostichis; from the arrangement of the spores on the leaflets

First Known Use

1879, in the meaning defined above

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