Pityrogramma

noun Pit·y·ro·gram·ma \ ˌpitərōˈgramə \

Definition of Pityrogramma

: a small genus of terrestrial tropical ferns (family Polypodiaceae) that have fronds with a powdery yellowish or white undersurface and linear dorsal sori — see gold fern, silver fern

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Origin and Etymology of pityrogramma

New Latin, from Greek pityron bran + gramma letter


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